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Merge pull request #13765 from yuwata/udev-memleak-13764
[thirdparty/systemd.git] / src / systemctl / systemctl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <errno.h>
4 #include <fcntl.h>
5 #include <getopt.h>
6 #include <locale.h>
7 #include <stdbool.h>
8 #include <stddef.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <sys/mount.h>
12 #include <sys/prctl.h>
13 #include <sys/reboot.h>
14 #include <sys/socket.h>
15 #include <unistd.h>
16
17 #include "sd-bus.h"
18 #include "sd-daemon.h"
19 #include "sd-event.h"
20 #include "sd-login.h"
21
22 #include "alloc-util.h"
23 #include "bootspec.h"
24 #include "bus-common-errors.h"
25 #include "bus-error.h"
26 #include "bus-message.h"
27 #include "bus-unit-procs.h"
28 #include "bus-unit-util.h"
29 #include "bus-util.h"
30 #include "bus-wait-for-jobs.h"
31 #include "bus-wait-for-units.h"
32 #include "cgroup-show.h"
33 #include "cgroup-util.h"
34 #include "copy.h"
35 #include "cpu-set-util.h"
36 #include "dirent-util.h"
37 #include "dropin.h"
38 #include "efivars.h"
39 #include "env-util.h"
40 #include "escape.h"
41 #include "exec-util.h"
42 #include "exit-status.h"
43 #include "fd-util.h"
44 #include "format-util.h"
45 #include "fs-util.h"
46 #include "glob-util.h"
47 #include "hexdecoct.h"
48 #include "hostname-util.h"
49 #include "in-addr-util.h"
50 #include "initreq.h"
51 #include "install.h"
52 #include "io-util.h"
53 #include "journal-util.h"
54 #include "list.h"
55 #include "locale-util.h"
56 #include "log.h"
57 #include "logs-show.h"
58 #include "macro.h"
59 #include "main-func.h"
60 #include "memory-util.h"
61 #include "mkdir.h"
62 #include "pager.h"
63 #include "parse-util.h"
64 #include "path-lookup.h"
65 #include "path-util.h"
66 #include "pretty-print.h"
67 #include "proc-cmdline.h"
68 #include "process-util.h"
69 #include "reboot-util.h"
70 #include "rlimit-util.h"
71 #include "set.h"
72 #include "sigbus.h"
73 #include "signal-util.h"
74 #include "socket-util.h"
75 #include "sort-util.h"
76 #include "spawn-ask-password-agent.h"
77 #include "spawn-polkit-agent.h"
78 #include "special.h"
79 #include "stat-util.h"
80 #include "string-table.h"
81 #include "strv.h"
82 #include "sysv-compat.h"
83 #include "terminal-util.h"
84 #include "tmpfile-util.h"
85 #include "unit-def.h"
86 #include "unit-file.h"
87 #include "unit-name.h"
88 #include "user-util.h"
89 #include "utf8.h"
90 #include "utmp-wtmp.h"
91 #include "verbs.h"
92 #include "virt.h"
93
94 static char **arg_types = NULL;
95 static char **arg_states = NULL;
96 static char **arg_properties = NULL;
97 static bool arg_all = false;
98 static enum dependency {
99 DEPENDENCY_FORWARD,
100 DEPENDENCY_REVERSE,
101 DEPENDENCY_AFTER,
102 DEPENDENCY_BEFORE,
103 _DEPENDENCY_MAX
104 } arg_dependency = DEPENDENCY_FORWARD;
105 static const char *arg_job_mode = "replace";
106 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
107 static bool arg_wait = false;
108 static bool arg_no_block = false;
109 static bool arg_no_legend = false;
110 static PagerFlags arg_pager_flags = 0;
111 static bool arg_no_wtmp = false;
112 static bool arg_no_sync = false;
113 static bool arg_no_wall = false;
114 static bool arg_no_reload = false;
115 static bool arg_value = false;
116 static bool arg_show_types = false;
117 static bool arg_ignore_inhibitors = false;
118 static bool arg_dry_run = false;
119 static bool arg_quiet = false;
120 static bool arg_full = false;
121 static bool arg_recursive = false;
122 static bool arg_show_transaction = false;
123 static int arg_force = 0;
124 static bool arg_ask_password = false;
125 static bool arg_runtime = false;
126 static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
127 static char **arg_wall = NULL;
128 static const char *arg_kill_who = NULL;
129 static int arg_signal = SIGTERM;
130 static char *arg_root = NULL;
131 static usec_t arg_when = 0;
132 static enum action {
133 ACTION_SYSTEMCTL,
134 ACTION_HALT,
135 ACTION_POWEROFF,
136 ACTION_REBOOT,
137 ACTION_KEXEC,
138 ACTION_EXIT,
139 ACTION_SUSPEND,
140 ACTION_HIBERNATE,
141 ACTION_HYBRID_SLEEP,
142 ACTION_SUSPEND_THEN_HIBERNATE,
143 ACTION_RUNLEVEL2,
144 ACTION_RUNLEVEL3,
145 ACTION_RUNLEVEL4,
146 ACTION_RUNLEVEL5,
147 ACTION_RESCUE,
148 ACTION_EMERGENCY,
149 ACTION_DEFAULT,
150 ACTION_RELOAD,
151 ACTION_REEXEC,
152 ACTION_RUNLEVEL,
153 ACTION_CANCEL_SHUTDOWN,
154 _ACTION_MAX,
155 _ACTION_INVALID = -1
156 } arg_action = ACTION_SYSTEMCTL;
157 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
158 static const char *arg_host = NULL;
159 static unsigned arg_lines = 10;
160 static OutputMode arg_output = OUTPUT_SHORT;
161 static bool arg_plain = false;
162 static bool arg_firmware_setup = false;
163 static usec_t arg_boot_loader_menu = USEC_INFINITY;
164 static const char *arg_boot_loader_entry = NULL;
165 static bool arg_now = false;
166 static bool arg_jobs_before = false;
167 static bool arg_jobs_after = false;
168 static char **arg_clean_what = NULL;
169
170 /* This is a global cache that will be constructed on first use. */
171 static Hashmap *cached_id_map = NULL;
172 static Hashmap *cached_name_map = NULL;
173
174 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
175 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
176 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
177 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
178 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
179 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
180 STATIC_DESTRUCTOR_REGISTER(cached_id_map, hashmap_freep);
181 STATIC_DESTRUCTOR_REGISTER(cached_name_map, hashmap_freep);
182
183 static int daemon_reload(int argc, char *argv[], void* userdata);
184 static int trivial_method(int argc, char *argv[], void *userdata);
185 static int halt_now(enum action a);
186 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state);
187
188 static bool original_stdout_is_tty;
189
190 typedef enum BusFocus {
191 BUS_FULL, /* The full bus indicated via --system or --user */
192 BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */
193 _BUS_FOCUS_MAX
194 } BusFocus;
195
196 static sd_bus *buses[_BUS_FOCUS_MAX] = {};
197
198 static UnitFileFlags args_to_flags(void) {
199 return (arg_runtime ? UNIT_FILE_RUNTIME : 0) |
200 (arg_force ? UNIT_FILE_FORCE : 0);
201 }
202
203 static int acquire_bus(BusFocus focus, sd_bus **ret) {
204 int r;
205
206 assert(focus < _BUS_FOCUS_MAX);
207 assert(ret);
208
209 /* We only go directly to the manager, if we are using a local transport */
210 if (arg_transport != BUS_TRANSPORT_LOCAL)
211 focus = BUS_FULL;
212
213 if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0)
214 focus = BUS_FULL;
215
216 if (!buses[focus]) {
217 bool user;
218
219 user = arg_scope != UNIT_FILE_SYSTEM;
220
221 if (focus == BUS_MANAGER)
222 r = bus_connect_transport_systemd(arg_transport, arg_host, user, &buses[focus]);
223 else
224 r = bus_connect_transport(arg_transport, arg_host, user, &buses[focus]);
225 if (r < 0)
226 return log_error_errno(r, "Failed to connect to bus: %m");
227
228 (void) sd_bus_set_allow_interactive_authorization(buses[focus], arg_ask_password);
229 }
230
231 *ret = buses[focus];
232 return 0;
233 }
234
235 static void release_busses(void) {
236 BusFocus w;
237
238 for (w = 0; w < _BUS_FOCUS_MAX; w++)
239 buses[w] = sd_bus_flush_close_unref(buses[w]);
240 }
241
242 static void ask_password_agent_open_if_enabled(void) {
243 /* Open the password agent as a child process if necessary */
244
245 if (arg_dry_run)
246 return;
247
248 if (!arg_ask_password)
249 return;
250
251 if (arg_scope != UNIT_FILE_SYSTEM)
252 return;
253
254 if (arg_transport != BUS_TRANSPORT_LOCAL)
255 return;
256
257 ask_password_agent_open();
258 }
259
260 static void polkit_agent_open_maybe(void) {
261 /* Open the polkit agent as a child process if necessary */
262
263 if (arg_scope != UNIT_FILE_SYSTEM)
264 return;
265
266 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
267 }
268
269 static OutputFlags get_output_flags(void) {
270 return
271 arg_all * OUTPUT_SHOW_ALL |
272 (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
273 colors_enabled() * OUTPUT_COLOR |
274 !arg_quiet * OUTPUT_WARN_CUTOFF;
275 }
276
277 static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) {
278 assert(error);
279
280 if (!sd_bus_error_is_set(error))
281 return r;
282
283 if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) ||
284 sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) ||
285 sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) ||
286 sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE))
287 return EXIT_NOPERMISSION;
288
289 if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT))
290 return EXIT_NOTINSTALLED;
291
292 if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) ||
293 sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED))
294 return EXIT_NOTIMPLEMENTED;
295
296 if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED))
297 return EXIT_NOTCONFIGURED;
298
299 if (r != 0)
300 return r;
301
302 return EXIT_FAILURE;
303 }
304
305 static bool install_client_side(void) {
306 /* Decides when to execute enable/disable/... operations
307 * client-side rather than server-side. */
308
309 if (running_in_chroot_or_offline())
310 return true;
311
312 if (sd_booted() <= 0)
313 return true;
314
315 if (!isempty(arg_root))
316 return true;
317
318 if (arg_scope == UNIT_FILE_GLOBAL)
319 return true;
320
321 /* Unsupported environment variable, mostly for debugging purposes */
322 if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0)
323 return true;
324
325 return false;
326 }
327
328 static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) {
329 const char *d1, *d2;
330 int r;
331
332 /* First, order by machine */
333 if (!a->machine && b->machine)
334 return -1;
335 if (a->machine && !b->machine)
336 return 1;
337 if (a->machine && b->machine) {
338 r = strcasecmp(a->machine, b->machine);
339 if (r != 0)
340 return r;
341 }
342
343 /* Second, order by unit type */
344 d1 = strrchr(a->id, '.');
345 d2 = strrchr(b->id, '.');
346 if (d1 && d2) {
347 r = strcasecmp(d1, d2);
348 if (r != 0)
349 return r;
350 }
351
352 /* Third, order by name */
353 return strcasecmp(a->id, b->id);
354 }
355
356 static const char* unit_type_suffix(const char *name) {
357 const char *dot;
358
359 dot = strrchr(name, '.');
360 if (!dot)
361 return "";
362
363 return dot + 1;
364 }
365
366 static bool output_show_unit(const UnitInfo *u, char **patterns) {
367 assert(u);
368
369 if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
370 return false;
371
372 if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id)))
373 return false;
374
375 if (arg_all)
376 return true;
377
378 /* Note that '--all' is not purely a state filter, but also a
379 * filter that hides units that "follow" other units (which is
380 * used for device units that appear under different names). */
381 if (!isempty(u->following))
382 return false;
383
384 if (!strv_isempty(arg_states))
385 return true;
386
387 /* By default show all units except the ones in inactive
388 * state and with no pending job */
389 if (u->job_id > 0)
390 return true;
391
392 if (streq(u->active_state, "inactive"))
393 return false;
394
395 return true;
396 }
397
398 static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
399 unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len;
400 const UnitInfo *u;
401 unsigned n_shown = 0;
402 int job_count = 0;
403 bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE);
404
405 max_id_len = STRLEN("UNIT");
406 load_len = STRLEN("LOAD");
407 active_len = STRLEN("ACTIVE");
408 sub_len = STRLEN("SUB");
409 job_len = STRLEN("JOB");
410 max_desc_len = STRLEN("DESCRIPTION");
411
412 for (u = unit_infos; u < unit_infos + c; u++) {
413 max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0));
414 load_len = MAX(load_len, strlen(u->load_state));
415 active_len = MAX(active_len, strlen(u->active_state));
416 sub_len = MAX(sub_len, strlen(u->sub_state));
417 max_desc_len = MAX(max_desc_len, strlen(u->description));
418
419 if (u->job_id != 0) {
420 job_len = MAX(job_len, strlen(u->job_type));
421 job_count++;
422 }
423
424 if (!arg_no_legend &&
425 (streq(u->active_state, "failed") ||
426 STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked")))
427 circle_len = 2;
428 }
429
430 if (!arg_full && original_stdout_is_tty) {
431 unsigned basic_len;
432
433 id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */
434 basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1;
435
436 if (job_count)
437 basic_len += job_len + 1;
438
439 if (basic_len < (unsigned) columns()) {
440 unsigned extra_len, incr;
441 extra_len = columns() - basic_len;
442
443 /* Either UNIT already got 25, or is fully satisfied.
444 * Grant up to 25 to DESC now. */
445 incr = MIN(extra_len, 25u);
446 desc_len = incr;
447 extra_len -= incr;
448
449 /* Of the remainder give as much as the ID needs to the ID, and give the rest to the
450 * description but not more than it needs. */
451 if (extra_len > 0) {
452 incr = MIN(max_id_len - id_len, extra_len);
453 id_len += incr;
454 desc_len += MIN(extra_len - incr, max_desc_len - desc_len);
455 }
456 } else
457 desc_len = 0;
458 } else {
459 id_len = max_id_len;
460 desc_len = max_desc_len;
461 }
462
463 for (u = unit_infos; u < unit_infos + c; u++) {
464 _cleanup_free_ char *e = NULL, *j = NULL;
465 const char *on_underline = "", *off_underline = "";
466 const char *on_loaded = "", *off_loaded = "";
467 const char *on_active = "", *off_active = "";
468 const char *on_circle = "", *off_circle = "";
469 const char *id;
470 bool circle = false, underline = false;
471
472 if (!n_shown && !arg_no_legend) {
473
474 if (circle_len > 0)
475 fputs(" ", stdout);
476
477 printf("%s%-*s %-*s %-*s %-*s ",
478 ansi_underline(),
479 id_len, "UNIT",
480 load_len, "LOAD",
481 active_len, "ACTIVE",
482 sub_len, "SUB");
483
484 if (job_count)
485 printf("%-*s ", job_len, "JOB");
486
487 printf("%-*.*s%s\n",
488 desc_len,
489 full ? -1 : (int) desc_len,
490 "DESCRIPTION",
491 ansi_normal());
492 }
493
494 n_shown++;
495
496 if (u + 1 < unit_infos + c &&
497 !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) {
498 on_underline = ansi_underline();
499 off_underline = ansi_normal();
500 underline = true;
501 }
502
503 if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) {
504 on_circle = ansi_highlight_yellow();
505 off_circle = ansi_normal();
506 circle = true;
507 on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
508 off_loaded = underline ? on_underline : ansi_normal();
509 } else if (streq(u->active_state, "failed") && !arg_plain) {
510 on_circle = ansi_highlight_red();
511 off_circle = ansi_normal();
512 circle = true;
513 on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
514 off_active = underline ? on_underline : ansi_normal();
515 }
516
517 if (u->machine) {
518 j = strjoin(u->machine, ":", u->id);
519 if (!j)
520 return log_oom();
521
522 id = j;
523 } else
524 id = u->id;
525
526 if (arg_full) {
527 e = ellipsize(id, id_len, 33);
528 if (!e)
529 return log_oom();
530
531 id = e;
532 }
533
534 if (circle_len > 0)
535 printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle);
536
537 printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
538 on_underline,
539 on_active, id_len, id, off_active,
540 on_loaded, load_len, u->load_state, off_loaded,
541 on_active, active_len, u->active_state,
542 sub_len, u->sub_state, off_active,
543 job_count ? job_len + 1 : 0, u->job_id ? u->job_type : "");
544
545 printf("%-*.*s%s\n",
546 desc_len,
547 full ? -1 : (int) desc_len,
548 u->description,
549 off_underline);
550 }
551
552 if (!arg_no_legend) {
553 const char *on, *off;
554
555 if (n_shown) {
556 puts("\n"
557 "LOAD = Reflects whether the unit definition was properly loaded.\n"
558 "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
559 "SUB = The low-level unit activation state, values depend on unit type.");
560 puts(job_count ? "JOB = Pending job for the unit.\n" : "");
561 on = ansi_highlight();
562 off = ansi_normal();
563 } else {
564 on = ansi_highlight_red();
565 off = ansi_normal();
566 }
567
568 if (arg_all || strv_contains(arg_states, "inactive"))
569 printf("%s%u loaded units listed.%s\n"
570 "To show all installed unit files use 'systemctl list-unit-files'.\n",
571 on, n_shown, off);
572 else if (!arg_states)
573 printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n"
574 "To show all installed unit files use 'systemctl list-unit-files'.\n",
575 on, n_shown, off);
576 else
577 printf("%u loaded units listed.\n", n_shown);
578 }
579
580 return 0;
581 }
582
583 static int get_unit_list(
584 sd_bus *bus,
585 const char *machine,
586 char **patterns,
587 UnitInfo **unit_infos,
588 int c,
589 sd_bus_message **_reply) {
590
591 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
592 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
593 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
594 size_t size = c;
595 int r;
596 UnitInfo u;
597 bool fallback = false;
598
599 assert(bus);
600 assert(unit_infos);
601 assert(_reply);
602
603 r = sd_bus_message_new_method_call(
604 bus,
605 &m,
606 "org.freedesktop.systemd1",
607 "/org/freedesktop/systemd1",
608 "org.freedesktop.systemd1.Manager",
609 "ListUnitsByPatterns");
610 if (r < 0)
611 return bus_log_create_error(r);
612
613 r = sd_bus_message_append_strv(m, arg_states);
614 if (r < 0)
615 return bus_log_create_error(r);
616
617 r = sd_bus_message_append_strv(m, patterns);
618 if (r < 0)
619 return bus_log_create_error(r);
620
621 r = sd_bus_call(bus, m, 0, &error, &reply);
622 if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) ||
623 sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) {
624 /* Fallback to legacy ListUnitsFiltered method */
625 fallback = true;
626 log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r));
627 m = sd_bus_message_unref(m);
628 sd_bus_error_free(&error);
629
630 r = sd_bus_message_new_method_call(
631 bus,
632 &m,
633 "org.freedesktop.systemd1",
634 "/org/freedesktop/systemd1",
635 "org.freedesktop.systemd1.Manager",
636 "ListUnitsFiltered");
637 if (r < 0)
638 return bus_log_create_error(r);
639
640 r = sd_bus_message_append_strv(m, arg_states);
641 if (r < 0)
642 return bus_log_create_error(r);
643
644 r = sd_bus_call(bus, m, 0, &error, &reply);
645 }
646 if (r < 0)
647 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
648
649 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
650 if (r < 0)
651 return bus_log_parse_error(r);
652
653 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
654 u.machine = machine;
655
656 if (!output_show_unit(&u, fallback ? patterns : NULL))
657 continue;
658
659 if (!GREEDY_REALLOC(*unit_infos, size, c+1))
660 return log_oom();
661
662 (*unit_infos)[c++] = u;
663 }
664 if (r < 0)
665 return bus_log_parse_error(r);
666
667 r = sd_bus_message_exit_container(reply);
668 if (r < 0)
669 return bus_log_parse_error(r);
670
671 *_reply = TAKE_PTR(reply);
672
673 return c;
674 }
675
676 static void message_set_freep(Set **set) {
677 set_free_with_destructor(*set, sd_bus_message_unref);
678 }
679
680 static int get_unit_list_recursive(
681 sd_bus *bus,
682 char **patterns,
683 UnitInfo **_unit_infos,
684 Set **_replies,
685 char ***_machines) {
686
687 _cleanup_free_ UnitInfo *unit_infos = NULL;
688 _cleanup_(message_set_freep) Set *replies;
689 sd_bus_message *reply;
690 int c, r;
691
692 assert(bus);
693 assert(_replies);
694 assert(_unit_infos);
695 assert(_machines);
696
697 replies = set_new(NULL);
698 if (!replies)
699 return log_oom();
700
701 c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply);
702 if (c < 0)
703 return c;
704
705 r = set_put(replies, reply);
706 if (r < 0) {
707 sd_bus_message_unref(reply);
708 return log_oom();
709 }
710
711 if (arg_recursive) {
712 _cleanup_strv_free_ char **machines = NULL;
713 char **i;
714
715 r = sd_get_machine_names(&machines);
716 if (r < 0)
717 return log_error_errno(r, "Failed to get machine names: %m");
718
719 STRV_FOREACH(i, machines) {
720 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
721 int k;
722
723 r = sd_bus_open_system_machine(&container, *i);
724 if (r < 0) {
725 log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
726 continue;
727 }
728
729 k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply);
730 if (k < 0)
731 return k;
732
733 c = k;
734
735 r = set_put(replies, reply);
736 if (r < 0) {
737 sd_bus_message_unref(reply);
738 return log_oom();
739 }
740 }
741
742 *_machines = TAKE_PTR(machines);
743 } else
744 *_machines = NULL;
745
746 *_unit_infos = TAKE_PTR(unit_infos);
747 *_replies = TAKE_PTR(replies);
748
749 return c;
750 }
751
752 static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) {
753 _cleanup_strv_free_ char **mangled = NULL, **globs = NULL;
754 char **name;
755 int r, i;
756
757 assert(bus);
758 assert(ret);
759
760 STRV_FOREACH(name, names) {
761 char *t;
762 UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN);
763
764 if (suffix)
765 r = unit_name_mangle_with_suffix(*name, options, suffix, &t);
766 else
767 r = unit_name_mangle(*name, options, &t);
768 if (r < 0)
769 return log_error_errno(r, "Failed to mangle name: %m");
770
771 if (string_is_glob(t))
772 r = strv_consume(&globs, t);
773 else
774 r = strv_consume(&mangled, t);
775 if (r < 0)
776 return log_oom();
777 }
778
779 /* Query the manager only if any of the names are a glob, since
780 * this is fairly expensive */
781 if (!strv_isempty(globs)) {
782 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
783 _cleanup_free_ UnitInfo *unit_infos = NULL;
784 size_t allocated, n;
785
786 r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply);
787 if (r < 0)
788 return r;
789
790 n = strv_length(mangled);
791 allocated = n + 1;
792
793 for (i = 0; i < r; i++) {
794 if (!GREEDY_REALLOC(mangled, allocated, n+2))
795 return log_oom();
796
797 mangled[n] = strdup(unit_infos[i].id);
798 if (!mangled[n])
799 return log_oom();
800
801 mangled[++n] = NULL;
802 }
803 }
804
805 *ret = TAKE_PTR(mangled);
806 return 0;
807 }
808
809
810 static int list_units(int argc, char *argv[], void *userdata) {
811 _cleanup_free_ UnitInfo *unit_infos = NULL;
812 _cleanup_(message_set_freep) Set *replies = NULL;
813 _cleanup_strv_free_ char **machines = NULL;
814 sd_bus *bus;
815 int r;
816
817 r = acquire_bus(BUS_MANAGER, &bus);
818 if (r < 0)
819 return r;
820
821 (void) pager_open(arg_pager_flags);
822
823 r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines);
824 if (r < 0)
825 return r;
826
827 typesafe_qsort(unit_infos, r, compare_unit_info);
828 return output_units_list(unit_infos, r);
829 }
830
831 static int get_triggered_units(
832 sd_bus *bus,
833 const char* path,
834 char*** ret) {
835
836 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
837 int r;
838
839 assert(bus);
840 assert(path);
841 assert(ret);
842
843 r = sd_bus_get_property_strv(
844 bus,
845 "org.freedesktop.systemd1",
846 path,
847 "org.freedesktop.systemd1.Unit",
848 "Triggers",
849 &error,
850 ret);
851 if (r < 0)
852 return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r));
853
854 return 0;
855 }
856
857 static int get_listening(
858 sd_bus *bus,
859 const char* unit_path,
860 char*** listening) {
861
862 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
863 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
864 const char *type, *path;
865 int r, n = 0;
866
867 r = sd_bus_get_property(
868 bus,
869 "org.freedesktop.systemd1",
870 unit_path,
871 "org.freedesktop.systemd1.Socket",
872 "Listen",
873 &error,
874 &reply,
875 "a(ss)");
876 if (r < 0)
877 return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r));
878
879 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
880 if (r < 0)
881 return bus_log_parse_error(r);
882
883 while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) {
884
885 r = strv_extend(listening, type);
886 if (r < 0)
887 return log_oom();
888
889 r = strv_extend(listening, path);
890 if (r < 0)
891 return log_oom();
892
893 n++;
894 }
895 if (r < 0)
896 return bus_log_parse_error(r);
897
898 r = sd_bus_message_exit_container(reply);
899 if (r < 0)
900 return bus_log_parse_error(r);
901
902 return n;
903 }
904
905 struct socket_info {
906 const char *machine;
907 const char* id;
908
909 char* type;
910 char* path;
911
912 /* Note: triggered is a list here, although it almost certainly
913 * will always be one unit. Nevertheless, dbus API allows for multiple
914 * values, so let's follow that. */
915 char** triggered;
916
917 /* The strv above is shared. free is set only in the first one. */
918 bool own_triggered;
919 };
920
921 static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) {
922 int r;
923
924 assert(a);
925 assert(b);
926
927 if (!a->machine && b->machine)
928 return -1;
929 if (a->machine && !b->machine)
930 return 1;
931 if (a->machine && b->machine) {
932 r = strcasecmp(a->machine, b->machine);
933 if (r != 0)
934 return r;
935 }
936
937 r = strcmp(a->path, b->path);
938 if (r == 0)
939 r = strcmp(a->type, b->type);
940
941 return r;
942 }
943
944 static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
945 struct socket_info *s;
946 unsigned pathlen = STRLEN("LISTEN"),
947 typelen = STRLEN("TYPE") * arg_show_types,
948 socklen = STRLEN("UNIT"),
949 servlen = STRLEN("ACTIVATES");
950 const char *on, *off;
951
952 for (s = socket_infos; s < socket_infos + cs; s++) {
953 unsigned tmp = 0;
954 char **a;
955
956 socklen = MAX(socklen, strlen(s->id));
957 if (arg_show_types)
958 typelen = MAX(typelen, strlen(s->type));
959 pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0));
960
961 STRV_FOREACH(a, s->triggered)
962 tmp += strlen(*a) + 2*(a != s->triggered);
963 servlen = MAX(servlen, tmp);
964 }
965
966 if (cs) {
967 if (!arg_no_legend)
968 printf("%-*s %-*.*s%-*s %s\n",
969 pathlen, "LISTEN",
970 typelen + arg_show_types, typelen + arg_show_types, "TYPE ",
971 socklen, "UNIT",
972 "ACTIVATES");
973
974 for (s = socket_infos; s < socket_infos + cs; s++) {
975 _cleanup_free_ char *j = NULL;
976 const char *path;
977 char **a;
978
979 if (s->machine) {
980 j = strjoin(s->machine, ":", s->path);
981 if (!j)
982 return log_oom();
983 path = j;
984 } else
985 path = s->path;
986
987 if (arg_show_types)
988 printf("%-*s %-*s %-*s",
989 pathlen, path, typelen, s->type, socklen, s->id);
990 else
991 printf("%-*s %-*s",
992 pathlen, path, socklen, s->id);
993 STRV_FOREACH(a, s->triggered)
994 printf("%s %s",
995 a == s->triggered ? "" : ",", *a);
996 printf("\n");
997 }
998
999 on = ansi_highlight();
1000 off = ansi_normal();
1001 if (!arg_no_legend)
1002 printf("\n");
1003 } else {
1004 on = ansi_highlight_red();
1005 off = ansi_normal();
1006 }
1007
1008 if (!arg_no_legend) {
1009 printf("%s%u sockets listed.%s\n", on, cs, off);
1010 if (!arg_all)
1011 printf("Pass --all to see loaded but inactive sockets, too.\n");
1012 }
1013
1014 return 0;
1015 }
1016
1017 static int list_sockets(int argc, char *argv[], void *userdata) {
1018 _cleanup_(message_set_freep) Set *replies = NULL;
1019 _cleanup_strv_free_ char **machines = NULL;
1020 _cleanup_strv_free_ char **sockets_with_suffix = NULL;
1021 _cleanup_free_ UnitInfo *unit_infos = NULL;
1022 _cleanup_free_ struct socket_info *socket_infos = NULL;
1023 const UnitInfo *u;
1024 struct socket_info *s;
1025 unsigned cs = 0;
1026 size_t size = 0;
1027 int r = 0, n;
1028 sd_bus *bus;
1029
1030 r = acquire_bus(BUS_MANAGER, &bus);
1031 if (r < 0)
1032 return r;
1033
1034 (void) pager_open(arg_pager_flags);
1035
1036 r = expand_names(bus, strv_skip(argv, 1), ".socket", &sockets_with_suffix);
1037 if (r < 0)
1038 return r;
1039
1040 if (argc == 1 || sockets_with_suffix) {
1041 n = get_unit_list_recursive(bus, sockets_with_suffix, &unit_infos, &replies, &machines);
1042 if (n < 0)
1043 return n;
1044
1045 for (u = unit_infos; u < unit_infos + n; u++) {
1046 _cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
1047 int i, c;
1048
1049 if (!endswith(u->id, ".socket"))
1050 continue;
1051
1052 r = get_triggered_units(bus, u->unit_path, &triggered);
1053 if (r < 0)
1054 goto cleanup;
1055
1056 c = get_listening(bus, u->unit_path, &listening);
1057 if (c < 0) {
1058 r = c;
1059 goto cleanup;
1060 }
1061
1062 if (!GREEDY_REALLOC(socket_infos, size, cs + c)) {
1063 r = log_oom();
1064 goto cleanup;
1065 }
1066
1067 for (i = 0; i < c; i++)
1068 socket_infos[cs + i] = (struct socket_info) {
1069 .machine = u->machine,
1070 .id = u->id,
1071 .type = listening[i*2],
1072 .path = listening[i*2 + 1],
1073 .triggered = triggered,
1074 .own_triggered = i==0,
1075 };
1076
1077 /* from this point on we will cleanup those socket_infos */
1078 cs += c;
1079 free(listening);
1080 listening = triggered = NULL; /* avoid cleanup */
1081 }
1082
1083 typesafe_qsort(socket_infos, cs, socket_info_compare);
1084 }
1085
1086 output_sockets_list(socket_infos, cs);
1087
1088 cleanup:
1089 assert(cs == 0 || socket_infos);
1090 for (s = socket_infos; s < socket_infos + cs; s++) {
1091 free(s->type);
1092 free(s->path);
1093 if (s->own_triggered)
1094 strv_free(s->triggered);
1095 }
1096
1097 return r;
1098 }
1099
1100 static int get_next_elapse(
1101 sd_bus *bus,
1102 const char *path,
1103 dual_timestamp *next) {
1104
1105 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1106 dual_timestamp t;
1107 int r;
1108
1109 assert(bus);
1110 assert(path);
1111 assert(next);
1112
1113 r = sd_bus_get_property_trivial(
1114 bus,
1115 "org.freedesktop.systemd1",
1116 path,
1117 "org.freedesktop.systemd1.Timer",
1118 "NextElapseUSecMonotonic",
1119 &error,
1120 't',
1121 &t.monotonic);
1122 if (r < 0)
1123 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1124
1125 r = sd_bus_get_property_trivial(
1126 bus,
1127 "org.freedesktop.systemd1",
1128 path,
1129 "org.freedesktop.systemd1.Timer",
1130 "NextElapseUSecRealtime",
1131 &error,
1132 't',
1133 &t.realtime);
1134 if (r < 0)
1135 return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r));
1136
1137 *next = t;
1138 return 0;
1139 }
1140
1141 static int get_last_trigger(
1142 sd_bus *bus,
1143 const char *path,
1144 usec_t *last) {
1145
1146 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1147 int r;
1148
1149 assert(bus);
1150 assert(path);
1151 assert(last);
1152
1153 r = sd_bus_get_property_trivial(
1154 bus,
1155 "org.freedesktop.systemd1",
1156 path,
1157 "org.freedesktop.systemd1.Timer",
1158 "LastTriggerUSec",
1159 &error,
1160 't',
1161 last);
1162 if (r < 0)
1163 return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r));
1164
1165 return 0;
1166 }
1167
1168 struct timer_info {
1169 const char* machine;
1170 const char* id;
1171 usec_t next_elapse;
1172 usec_t last_trigger;
1173 char** triggered;
1174 };
1175
1176 static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) {
1177 int r;
1178
1179 assert(a);
1180 assert(b);
1181
1182 if (!a->machine && b->machine)
1183 return -1;
1184 if (a->machine && !b->machine)
1185 return 1;
1186 if (a->machine && b->machine) {
1187 r = strcasecmp(a->machine, b->machine);
1188 if (r != 0)
1189 return r;
1190 }
1191
1192 r = CMP(a->next_elapse, b->next_elapse);
1193 if (r != 0)
1194 return r;
1195
1196 return strcmp(a->id, b->id);
1197 }
1198
1199 static int output_timers_list(struct timer_info *timer_infos, unsigned n) {
1200 struct timer_info *t;
1201 unsigned
1202 nextlen = STRLEN("NEXT"),
1203 leftlen = STRLEN("LEFT"),
1204 lastlen = STRLEN("LAST"),
1205 passedlen = STRLEN("PASSED"),
1206 unitlen = STRLEN("UNIT"),
1207 activatelen = STRLEN("ACTIVATES");
1208
1209 const char *on, *off;
1210
1211 assert(timer_infos || n == 0);
1212
1213 for (t = timer_infos; t < timer_infos + n; t++) {
1214 unsigned ul = 0;
1215 char **a;
1216
1217 if (t->next_elapse > 0) {
1218 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1219
1220 format_timestamp(tstamp, sizeof(tstamp), t->next_elapse);
1221 nextlen = MAX(nextlen, strlen(tstamp) + 1);
1222
1223 format_timestamp_relative(trel, sizeof(trel), t->next_elapse);
1224 leftlen = MAX(leftlen, strlen(trel));
1225 }
1226
1227 if (t->last_trigger > 0) {
1228 char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = "";
1229
1230 format_timestamp(tstamp, sizeof(tstamp), t->last_trigger);
1231 lastlen = MAX(lastlen, strlen(tstamp) + 1);
1232
1233 format_timestamp_relative(trel, sizeof(trel), t->last_trigger);
1234 passedlen = MAX(passedlen, strlen(trel));
1235 }
1236
1237 unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0));
1238
1239 STRV_FOREACH(a, t->triggered)
1240 ul += strlen(*a) + 2*(a != t->triggered);
1241
1242 activatelen = MAX(activatelen, ul);
1243 }
1244
1245 if (n > 0) {
1246 if (!arg_no_legend)
1247 printf("%-*s %-*s %-*s %-*s %-*s %s\n",
1248 nextlen, "NEXT",
1249 leftlen, "LEFT",
1250 lastlen, "LAST",
1251 passedlen, "PASSED",
1252 unitlen, "UNIT",
1253 "ACTIVATES");
1254
1255 for (t = timer_infos; t < timer_infos + n; t++) {
1256 _cleanup_free_ char *j = NULL;
1257 const char *unit;
1258 char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1259 char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a";
1260 char **a;
1261
1262 format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse);
1263 format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse);
1264
1265 format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger);
1266 format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger);
1267
1268 if (t->machine) {
1269 j = strjoin(t->machine, ":", t->id);
1270 if (!j)
1271 return log_oom();
1272 unit = j;
1273 } else
1274 unit = t->id;
1275
1276 printf("%-*s %-*s %-*s %-*s %-*s",
1277 nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit);
1278
1279 STRV_FOREACH(a, t->triggered)
1280 printf("%s %s",
1281 a == t->triggered ? "" : ",", *a);
1282 printf("\n");
1283 }
1284
1285 on = ansi_highlight();
1286 off = ansi_normal();
1287 if (!arg_no_legend)
1288 printf("\n");
1289 } else {
1290 on = ansi_highlight_red();
1291 off = ansi_normal();
1292 }
1293
1294 if (!arg_no_legend) {
1295 printf("%s%u timers listed.%s\n", on, n, off);
1296 if (!arg_all)
1297 printf("Pass --all to see loaded but inactive timers, too.\n");
1298 }
1299
1300 return 0;
1301 }
1302
1303 static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) {
1304 usec_t next_elapse;
1305
1306 assert(nw);
1307 assert(next);
1308
1309 if (timestamp_is_set(next->monotonic)) {
1310 usec_t converted;
1311
1312 if (next->monotonic > nw->monotonic)
1313 converted = nw->realtime + (next->monotonic - nw->monotonic);
1314 else
1315 converted = nw->realtime - (nw->monotonic - next->monotonic);
1316
1317 if (timestamp_is_set(next->realtime))
1318 next_elapse = MIN(converted, next->realtime);
1319 else
1320 next_elapse = converted;
1321
1322 } else
1323 next_elapse = next->realtime;
1324
1325 return next_elapse;
1326 }
1327
1328 static int list_timers(int argc, char *argv[], void *userdata) {
1329 _cleanup_(message_set_freep) Set *replies = NULL;
1330 _cleanup_strv_free_ char **machines = NULL;
1331 _cleanup_strv_free_ char **timers_with_suffix = NULL;
1332 _cleanup_free_ struct timer_info *timer_infos = NULL;
1333 _cleanup_free_ UnitInfo *unit_infos = NULL;
1334 struct timer_info *t;
1335 const UnitInfo *u;
1336 size_t size = 0;
1337 int n, c = 0;
1338 dual_timestamp nw;
1339 sd_bus *bus;
1340 int r = 0;
1341
1342 r = acquire_bus(BUS_MANAGER, &bus);
1343 if (r < 0)
1344 return r;
1345
1346 (void) pager_open(arg_pager_flags);
1347
1348 r = expand_names(bus, strv_skip(argv, 1), ".timer", &timers_with_suffix);
1349 if (r < 0)
1350 return r;
1351
1352 if (argc == 1 || timers_with_suffix) {
1353 n = get_unit_list_recursive(bus, timers_with_suffix, &unit_infos, &replies, &machines);
1354 if (n < 0)
1355 return n;
1356
1357 dual_timestamp_get(&nw);
1358
1359 for (u = unit_infos; u < unit_infos + n; u++) {
1360 _cleanup_strv_free_ char **triggered = NULL;
1361 dual_timestamp next = DUAL_TIMESTAMP_NULL;
1362 usec_t m, last = 0;
1363
1364 if (!endswith(u->id, ".timer"))
1365 continue;
1366
1367 r = get_triggered_units(bus, u->unit_path, &triggered);
1368 if (r < 0)
1369 goto cleanup;
1370
1371 r = get_next_elapse(bus, u->unit_path, &next);
1372 if (r < 0)
1373 goto cleanup;
1374
1375 get_last_trigger(bus, u->unit_path, &last);
1376
1377 if (!GREEDY_REALLOC(timer_infos, size, c+1)) {
1378 r = log_oom();
1379 goto cleanup;
1380 }
1381
1382 m = calc_next_elapse(&nw, &next);
1383
1384 timer_infos[c++] = (struct timer_info) {
1385 .machine = u->machine,
1386 .id = u->id,
1387 .next_elapse = m,
1388 .last_trigger = last,
1389 .triggered = TAKE_PTR(triggered),
1390 };
1391 }
1392
1393 typesafe_qsort(timer_infos, c, timer_info_compare);
1394 }
1395
1396 output_timers_list(timer_infos, c);
1397
1398 cleanup:
1399 for (t = timer_infos; t < timer_infos + c; t++)
1400 strv_free(t->triggered);
1401
1402 return r;
1403 }
1404
1405 static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) {
1406 const char *d1, *d2;
1407
1408 d1 = strrchr(a->path, '.');
1409 d2 = strrchr(b->path, '.');
1410
1411 if (d1 && d2) {
1412 int r;
1413
1414 r = strcasecmp(d1, d2);
1415 if (r != 0)
1416 return r;
1417 }
1418
1419 return strcasecmp(basename(a->path), basename(b->path));
1420 }
1421
1422 static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) {
1423 assert(u);
1424
1425 if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE))
1426 return false;
1427
1428 if (!strv_isempty(arg_types)) {
1429 const char *dot;
1430
1431 dot = strrchr(u->path, '.');
1432 if (!dot)
1433 return false;
1434
1435 if (!strv_find(arg_types, dot+1))
1436 return false;
1437 }
1438
1439 if (!strv_isempty(states) &&
1440 !strv_find(states, unit_file_state_to_string(u->state)))
1441 return false;
1442
1443 return true;
1444 }
1445
1446 static void output_unit_file_list(const UnitFileList *units, unsigned c) {
1447 unsigned max_id_len, id_cols, state_cols;
1448 const UnitFileList *u;
1449
1450 max_id_len = STRLEN("UNIT FILE");
1451 state_cols = STRLEN("STATE");
1452
1453 for (u = units; u < units + c; u++) {
1454 max_id_len = MAX(max_id_len, strlen(basename(u->path)));
1455 state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
1456 }
1457
1458 if (!arg_full) {
1459 unsigned basic_cols;
1460
1461 id_cols = MIN(max_id_len, 25u);
1462 basic_cols = 1 + id_cols + state_cols;
1463 if (basic_cols < (unsigned) columns())
1464 id_cols += MIN(columns() - basic_cols, max_id_len - id_cols);
1465 } else
1466 id_cols = max_id_len;
1467
1468 if (!arg_no_legend && c > 0)
1469 printf("%s%-*s %-*s%s\n",
1470 ansi_underline(),
1471 id_cols, "UNIT FILE",
1472 state_cols, "STATE",
1473 ansi_normal());
1474
1475 for (u = units; u < units + c; u++) {
1476 const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id;
1477 _cleanup_free_ char *e = NULL;
1478 bool underline;
1479
1480 underline = u + 1 < units + c &&
1481 !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path));
1482
1483 if (underline)
1484 on_underline = ansi_underline();
1485
1486 if (IN_SET(u->state,
1487 UNIT_FILE_MASKED,
1488 UNIT_FILE_MASKED_RUNTIME,
1489 UNIT_FILE_DISABLED,
1490 UNIT_FILE_BAD))
1491 on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red();
1492 else if (u->state == UNIT_FILE_ENABLED)
1493 on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green();
1494
1495 if (on_underline || on_color)
1496 off = ansi_normal();
1497
1498 id = basename(u->path);
1499
1500 e = arg_full ? NULL : ellipsize(id, id_cols, 33);
1501
1502 printf("%s%-*s %s%-*s%s\n",
1503 strempty(on_underline),
1504 id_cols, e ? e : id,
1505 strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off));
1506 }
1507
1508 if (!arg_no_legend)
1509 printf("\n%u unit files listed.\n", c);
1510 }
1511
1512 static int list_unit_files(int argc, char *argv[], void *userdata) {
1513 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1514 _cleanup_free_ UnitFileList *units = NULL;
1515 UnitFileList *unit;
1516 size_t size = 0;
1517 unsigned c = 0;
1518 const char *state;
1519 char *path;
1520 int r;
1521 bool fallback = false;
1522
1523 if (install_client_side()) {
1524 Hashmap *h;
1525 UnitFileList *u;
1526 Iterator i;
1527 unsigned n_units;
1528
1529 h = hashmap_new(&string_hash_ops);
1530 if (!h)
1531 return log_oom();
1532
1533 r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1));
1534 if (r < 0) {
1535 unit_file_list_free(h);
1536 return log_error_errno(r, "Failed to get unit file list: %m");
1537 }
1538
1539 n_units = hashmap_size(h);
1540
1541 units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */
1542 if (!units) {
1543 unit_file_list_free(h);
1544 return log_oom();
1545 }
1546
1547 HASHMAP_FOREACH(u, h, i) {
1548 if (!output_show_unit_file(u, NULL, NULL))
1549 continue;
1550
1551 units[c++] = *u;
1552 free(u);
1553 }
1554
1555 assert(c <= n_units);
1556 hashmap_free(h);
1557
1558 r = 0;
1559 } else {
1560 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1561 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1562 sd_bus *bus;
1563
1564 r = acquire_bus(BUS_MANAGER, &bus);
1565 if (r < 0)
1566 return r;
1567
1568 r = sd_bus_message_new_method_call(
1569 bus,
1570 &m,
1571 "org.freedesktop.systemd1",
1572 "/org/freedesktop/systemd1",
1573 "org.freedesktop.systemd1.Manager",
1574 "ListUnitFilesByPatterns");
1575 if (r < 0)
1576 return bus_log_create_error(r);
1577
1578 r = sd_bus_message_append_strv(m, arg_states);
1579 if (r < 0)
1580 return bus_log_create_error(r);
1581
1582 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
1583 if (r < 0)
1584 return bus_log_create_error(r);
1585
1586 r = sd_bus_call(bus, m, 0, &error, &reply);
1587 if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1588 /* Fallback to legacy ListUnitFiles method */
1589 fallback = true;
1590 log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r));
1591 m = sd_bus_message_unref(m);
1592 sd_bus_error_free(&error);
1593
1594 r = sd_bus_message_new_method_call(
1595 bus,
1596 &m,
1597 "org.freedesktop.systemd1",
1598 "/org/freedesktop/systemd1",
1599 "org.freedesktop.systemd1.Manager",
1600 "ListUnitFiles");
1601 if (r < 0)
1602 return bus_log_create_error(r);
1603
1604 r = sd_bus_call(bus, m, 0, &error, &reply);
1605 }
1606 if (r < 0)
1607 return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r));
1608
1609 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)");
1610 if (r < 0)
1611 return bus_log_parse_error(r);
1612
1613 while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) {
1614
1615 if (!GREEDY_REALLOC(units, size, c + 1))
1616 return log_oom();
1617
1618 units[c] = (struct UnitFileList) {
1619 path,
1620 unit_file_state_from_string(state)
1621 };
1622
1623 if (output_show_unit_file(&units[c],
1624 fallback ? arg_states : NULL,
1625 fallback ? strv_skip(argv, 1) : NULL))
1626 c++;
1627
1628 }
1629 if (r < 0)
1630 return bus_log_parse_error(r);
1631
1632 r = sd_bus_message_exit_container(reply);
1633 if (r < 0)
1634 return bus_log_parse_error(r);
1635 }
1636
1637 (void) pager_open(arg_pager_flags);
1638
1639 typesafe_qsort(units, c, compare_unit_file_list);
1640 output_unit_file_list(units, c);
1641
1642 if (install_client_side())
1643 for (unit = units; unit < units + c; unit++)
1644 free(unit->path);
1645
1646 return 0;
1647 }
1648
1649 static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) {
1650 _cleanup_free_ char *n = NULL;
1651 size_t max_len = MAX(columns(),20u);
1652 size_t len = 0;
1653 int i;
1654
1655 if (!arg_plain) {
1656
1657 for (i = level - 1; i >= 0; i--) {
1658 len += 2;
1659 if (len > max_len - 3 && !arg_full) {
1660 printf("%s...\n",max_len % 2 ? "" : " ");
1661 return 0;
1662 }
1663 printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
1664 }
1665 len += 2;
1666
1667 if (len > max_len - 3 && !arg_full) {
1668 printf("%s...\n",max_len % 2 ? "" : " ");
1669 return 0;
1670 }
1671
1672 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
1673 }
1674
1675 if (arg_full) {
1676 printf("%s\n", name);
1677 return 0;
1678 }
1679
1680 n = ellipsize(name, max_len-len, 100);
1681 if (!n)
1682 return log_oom();
1683
1684 printf("%s\n", n);
1685 return 0;
1686 }
1687
1688 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
1689 struct DependencyStatusInfo {
1690 char **dep[5];
1691 } info = {};
1692
1693 static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = {
1694 [DEPENDENCY_FORWARD] = {
1695 { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1696 { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1697 { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1698 { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1699 { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1700 {}
1701 },
1702 [DEPENDENCY_REVERSE] = {
1703 { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1704 { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) },
1705 { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) },
1706 { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) },
1707 { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) },
1708 {}
1709 },
1710 [DEPENDENCY_AFTER] = {
1711 { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1712 {}
1713 },
1714 [DEPENDENCY_BEFORE] = {
1715 { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) },
1716 {}
1717 },
1718 };
1719
1720 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1721 _cleanup_strv_free_ char **ret = NULL;
1722 _cleanup_free_ char *dbus_path = NULL;
1723 int i, r;
1724
1725 assert(bus);
1726 assert(name);
1727 assert(deps);
1728
1729 dbus_path = unit_dbus_path_from_name(name);
1730 if (!dbus_path)
1731 return log_oom();
1732
1733 r = bus_map_all_properties(bus,
1734 "org.freedesktop.systemd1",
1735 dbus_path,
1736 map[arg_dependency],
1737 BUS_MAP_STRDUP,
1738 &error,
1739 NULL,
1740 &info);
1741 if (r < 0)
1742 return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r));
1743
1744 if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) {
1745 *deps = info.dep[0];
1746 return 0;
1747 }
1748
1749 for (i = 0; i < 5; i++) {
1750 r = strv_extend_strv(&ret, info.dep[i], true);
1751 if (r < 0)
1752 return log_oom();
1753 info.dep[i] = strv_free(info.dep[i]);
1754 }
1755
1756 *deps = TAKE_PTR(ret);
1757
1758 return 0;
1759 }
1760
1761 static int list_dependencies_compare(char * const *a, char * const *b) {
1762 if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET)
1763 return 1;
1764 if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET)
1765 return -1;
1766
1767 return strcasecmp(*a, *b);
1768 }
1769
1770 static int list_dependencies_one(
1771 sd_bus *bus,
1772 const char *name,
1773 int level,
1774 char ***units,
1775 unsigned branches) {
1776
1777 _cleanup_strv_free_ char **deps = NULL;
1778 char **c;
1779 int r = 0;
1780
1781 assert(bus);
1782 assert(name);
1783 assert(units);
1784
1785 r = strv_extend(units, name);
1786 if (r < 0)
1787 return log_oom();
1788
1789 r = list_dependencies_get_dependencies(bus, name, &deps);
1790 if (r < 0)
1791 return r;
1792
1793 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
1794
1795 STRV_FOREACH(c, deps) {
1796 if (strv_contains(*units, *c)) {
1797 if (!arg_plain) {
1798 printf(" ");
1799 r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
1800 if (r < 0)
1801 return r;
1802 }
1803 continue;
1804 }
1805
1806 if (arg_plain)
1807 printf(" ");
1808 else {
1809 UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID;
1810 const char *on;
1811
1812 (void) get_state_one_unit(bus, *c, &active_state);
1813
1814 switch (active_state) {
1815 case UNIT_ACTIVE:
1816 case UNIT_RELOADING:
1817 case UNIT_ACTIVATING:
1818 on = ansi_highlight_green();
1819 break;
1820
1821 case UNIT_INACTIVE:
1822 case UNIT_DEACTIVATING:
1823 on = ansi_normal();
1824 break;
1825
1826 default:
1827 on = ansi_highlight_red();
1828 break;
1829 }
1830
1831 printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal());
1832 }
1833
1834 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
1835 if (r < 0)
1836 return r;
1837
1838 if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
1839 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1));
1840 if (r < 0)
1841 return r;
1842 }
1843 }
1844
1845 if (!arg_plain)
1846 strv_remove(*units, name);
1847
1848 return 0;
1849 }
1850
1851 static int list_dependencies(int argc, char *argv[], void *userdata) {
1852 _cleanup_strv_free_ char **units = NULL;
1853 _cleanup_free_ char *unit = NULL;
1854 const char *u;
1855 sd_bus *bus;
1856 int r;
1857
1858 if (argv[1]) {
1859 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit);
1860 if (r < 0)
1861 return log_error_errno(r, "Failed to mangle unit name: %m");
1862
1863 u = unit;
1864 } else
1865 u = SPECIAL_DEFAULT_TARGET;
1866
1867 r = acquire_bus(BUS_MANAGER, &bus);
1868 if (r < 0)
1869 return r;
1870
1871 (void) pager_open(arg_pager_flags);
1872
1873 puts(u);
1874
1875 return list_dependencies_one(bus, u, 0, &units, 0);
1876 }
1877
1878 struct machine_info {
1879 bool is_host;
1880 char *name;
1881 char *state;
1882 char *control_group;
1883 uint32_t n_failed_units;
1884 uint32_t n_jobs;
1885 usec_t timestamp;
1886 };
1887
1888 static const struct bus_properties_map machine_info_property_map[] = {
1889 { "SystemState", "s", NULL, offsetof(struct machine_info, state) },
1890 { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) },
1891 { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) },
1892 { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) },
1893 { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) },
1894 {}
1895 };
1896
1897 static void machine_info_clear(struct machine_info *info) {
1898 assert(info);
1899
1900 free(info->name);
1901 free(info->state);
1902 free(info->control_group);
1903 zero(*info);
1904 }
1905
1906 static void free_machines_list(struct machine_info *machine_infos, int n) {
1907 int i;
1908
1909 if (!machine_infos)
1910 return;
1911
1912 for (i = 0; i < n; i++)
1913 machine_info_clear(&machine_infos[i]);
1914
1915 free(machine_infos);
1916 }
1917
1918 static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) {
1919 int r;
1920
1921 r = CMP(b->is_host, a->is_host);
1922 if (r != 0)
1923 return r;
1924
1925 return strcasecmp(a->name, b->name);
1926 }
1927
1928 static int get_machine_properties(sd_bus *bus, struct machine_info *mi) {
1929 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL;
1930 int r;
1931
1932 assert(mi);
1933
1934 if (!bus) {
1935 r = sd_bus_open_system_machine(&container, mi->name);
1936 if (r < 0)
1937 return r;
1938
1939 bus = container;
1940 }
1941
1942 r = bus_map_all_properties(
1943 bus,
1944 "org.freedesktop.systemd1",
1945 "/org/freedesktop/systemd1",
1946 machine_info_property_map,
1947 BUS_MAP_STRDUP,
1948 NULL,
1949 NULL,
1950 mi);
1951 if (r < 0)
1952 return r;
1953
1954 return 0;
1955 }
1956
1957 static bool output_show_machine(const char *name, char **patterns) {
1958 return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE);
1959 }
1960
1961 static int get_machine_list(
1962 sd_bus *bus,
1963 struct machine_info **_machine_infos,
1964 char **patterns) {
1965
1966 struct machine_info *machine_infos = NULL;
1967 _cleanup_strv_free_ char **m = NULL;
1968 _cleanup_free_ char *hn = NULL;
1969 size_t sz = 0;
1970 char **i;
1971 int c = 0, r;
1972
1973 hn = gethostname_malloc();
1974 if (!hn)
1975 return log_oom();
1976
1977 if (output_show_machine(hn, patterns)) {
1978 if (!GREEDY_REALLOC0(machine_infos, sz, c+1))
1979 return log_oom();
1980
1981 machine_infos[c].is_host = true;
1982 machine_infos[c].name = TAKE_PTR(hn);
1983
1984 (void) get_machine_properties(bus, &machine_infos[c]);
1985 c++;
1986 }
1987
1988 r = sd_get_machine_names(&m);
1989 if (r < 0)
1990 return log_error_errno(r, "Failed to get machine list: %m");
1991
1992 STRV_FOREACH(i, m) {
1993 _cleanup_free_ char *class = NULL;
1994
1995 if (!output_show_machine(*i, patterns))
1996 continue;
1997
1998 sd_machine_get_class(*i, &class);
1999 if (!streq_ptr(class, "container"))
2000 continue;
2001
2002 if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) {
2003 free_machines_list(machine_infos, c);
2004 return log_oom();
2005 }
2006
2007 machine_infos[c].is_host = false;
2008 machine_infos[c].name = strdup(*i);
2009 if (!machine_infos[c].name) {
2010 free_machines_list(machine_infos, c);
2011 return log_oom();
2012 }
2013
2014 (void) get_machine_properties(NULL, &machine_infos[c]);
2015 c++;
2016 }
2017
2018 *_machine_infos = machine_infos;
2019 return c;
2020 }
2021
2022 static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
2023 struct machine_info *m;
2024 unsigned
2025 circle_len = 0,
2026 namelen = STRLEN("NAME"),
2027 statelen = STRLEN("STATE"),
2028 failedlen = STRLEN("FAILED"),
2029 jobslen = STRLEN("JOBS");
2030 bool state_missing = false;
2031
2032 assert(machine_infos || n == 0);
2033
2034 for (m = machine_infos; m < machine_infos + n; m++) {
2035 namelen = MAX(namelen,
2036 strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0));
2037 statelen = MAX(statelen, strlen_ptr(m->state));
2038 failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
2039 jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
2040
2041 if (!arg_plain && m->state && !streq(m->state, "running"))
2042 circle_len = 2;
2043 }
2044
2045 if (!arg_no_legend) {
2046 if (circle_len > 0)
2047 fputs(" ", stdout);
2048
2049 printf("%-*s %-*s %-*s %-*s\n",
2050 namelen, "NAME",
2051 statelen, "STATE",
2052 failedlen, "FAILED",
2053 jobslen, "JOBS");
2054 }
2055
2056 for (m = machine_infos; m < machine_infos + n; m++) {
2057 const char *on_state = "", *off_state = "";
2058 const char *on_failed = "", *off_failed = "";
2059 bool circle = false;
2060
2061 if (streq_ptr(m->state, "degraded")) {
2062 on_state = ansi_highlight_red();
2063 off_state = ansi_normal();
2064 circle = true;
2065 } else if (!streq_ptr(m->state, "running")) {
2066 on_state = ansi_highlight_yellow();
2067 off_state = ansi_normal();
2068 circle = true;
2069 }
2070
2071 if (m->n_failed_units > 0) {
2072 on_failed = ansi_highlight_red();
2073 off_failed = ansi_normal();
2074 } else
2075 on_failed = off_failed = "";
2076
2077 if (circle_len > 0)
2078 printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state);
2079
2080 if (!m->state)
2081 state_missing = true;
2082
2083 if (m->is_host)
2084 printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2085 (int) (namelen - strlen(" (host)")),
2086 strna(m->name),
2087 on_state, statelen, strna(m->state), off_state,
2088 on_failed, failedlen, m->n_failed_units, off_failed,
2089 jobslen, m->n_jobs);
2090 else
2091 printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n",
2092 namelen, strna(m->name),
2093 on_state, statelen, strna(m->state), off_state,
2094 on_failed, failedlen, m->n_failed_units, off_failed,
2095 jobslen, m->n_jobs);
2096 }
2097
2098 if (!arg_no_legend) {
2099 printf("\n");
2100 if (state_missing && geteuid() != 0)
2101 printf("Notice: some information only available to privileged users was not shown.\n");
2102 printf("%u machines listed.\n", n);
2103 }
2104 }
2105
2106 static int list_machines(int argc, char *argv[], void *userdata) {
2107 struct machine_info *machine_infos = NULL;
2108 sd_bus *bus;
2109 int r;
2110
2111 r = acquire_bus(BUS_MANAGER, &bus);
2112 if (r < 0)
2113 return r;
2114
2115 r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1));
2116 if (r < 0)
2117 return r;
2118
2119 (void) pager_open(arg_pager_flags);
2120
2121 typesafe_qsort(machine_infos, r, compare_machine_info);
2122 output_machines_list(machine_infos, r);
2123 free_machines_list(machine_infos, r);
2124
2125 return 0;
2126 }
2127
2128 static int get_default(int argc, char *argv[], void *userdata) {
2129 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2130 _cleanup_free_ char *_path = NULL;
2131 const char *path;
2132 int r;
2133
2134 if (install_client_side()) {
2135 r = unit_file_get_default(arg_scope, arg_root, &_path);
2136 if (r < 0)
2137 return log_error_errno(r, "Failed to get default target: %m");
2138 path = _path;
2139
2140 r = 0;
2141 } else {
2142 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2143 sd_bus *bus;
2144
2145 r = acquire_bus(BUS_MANAGER, &bus);
2146 if (r < 0)
2147 return r;
2148
2149 r = sd_bus_call_method(
2150 bus,
2151 "org.freedesktop.systemd1",
2152 "/org/freedesktop/systemd1",
2153 "org.freedesktop.systemd1.Manager",
2154 "GetDefaultTarget",
2155 &error,
2156 &reply,
2157 NULL);
2158 if (r < 0)
2159 return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r));
2160
2161 r = sd_bus_message_read(reply, "s", &path);
2162 if (r < 0)
2163 return bus_log_parse_error(r);
2164 }
2165
2166 if (path)
2167 printf("%s\n", path);
2168
2169 return 0;
2170 }
2171
2172 static int set_default(int argc, char *argv[], void *userdata) {
2173 _cleanup_free_ char *unit = NULL;
2174 UnitFileChange *changes = NULL;
2175 size_t n_changes = 0;
2176 int r;
2177
2178 assert(argc >= 2);
2179 assert(argv);
2180
2181 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit);
2182 if (r < 0)
2183 return log_error_errno(r, "Failed to mangle unit name: %m");
2184
2185 if (install_client_side()) {
2186 r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes);
2187 unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet);
2188
2189 if (r > 0)
2190 r = 0;
2191 } else {
2192 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2193 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2194 sd_bus *bus;
2195
2196 polkit_agent_open_maybe();
2197
2198 r = acquire_bus(BUS_MANAGER, &bus);
2199 if (r < 0)
2200 return r;
2201
2202 r = sd_bus_call_method(
2203 bus,
2204 "org.freedesktop.systemd1",
2205 "/org/freedesktop/systemd1",
2206 "org.freedesktop.systemd1.Manager",
2207 "SetDefaultTarget",
2208 &error,
2209 &reply,
2210 "sb", unit, 1);
2211 if (r < 0)
2212 return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r));
2213
2214 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
2215 if (r < 0)
2216 goto finish;
2217
2218 /* Try to reload if enabled */
2219 if (!arg_no_reload)
2220 r = daemon_reload(argc, argv, userdata);
2221 else
2222 r = 0;
2223 }
2224
2225 finish:
2226 unit_file_changes_free(changes, n_changes);
2227
2228 return r;
2229 }
2230
2231 static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) {
2232 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2233 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2234 const char *name, *type;
2235 uint32_t other_id;
2236 int r;
2237
2238 assert(bus);
2239
2240 r = sd_bus_call_method(
2241 bus,
2242 "org.freedesktop.systemd1",
2243 "/org/freedesktop/systemd1",
2244 "org.freedesktop.systemd1.Manager",
2245 method,
2246 &error,
2247 &reply,
2248 "u", id);
2249 if (r < 0)
2250 return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
2251
2252 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2253 if (r < 0)
2254 return bus_log_parse_error(r);
2255
2256 while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0)
2257 printf("%s %u (%s/%s)\n", prefix, other_id, name, type);
2258 if (r < 0)
2259 return bus_log_parse_error(r);
2260
2261 r = sd_bus_message_exit_container(reply);
2262 if (r < 0)
2263 return bus_log_parse_error(r);
2264
2265 return 0;
2266 }
2267
2268 struct job_info {
2269 uint32_t id;
2270 const char *name, *type, *state;
2271 };
2272
2273 static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
2274 unsigned id_len, unit_len, type_len, state_len;
2275 const struct job_info *j;
2276 const char *on, *off;
2277 bool shorten = false;
2278
2279 assert(n == 0 || jobs);
2280
2281 if (n == 0) {
2282 if (!arg_no_legend) {
2283 on = ansi_highlight_green();
2284 off = ansi_normal();
2285
2286 printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
2287 }
2288 return;
2289 }
2290
2291 (void) pager_open(arg_pager_flags);
2292
2293 id_len = STRLEN("JOB");
2294 unit_len = STRLEN("UNIT");
2295 type_len = STRLEN("TYPE");
2296 state_len = STRLEN("STATE");
2297
2298 for (j = jobs; j < jobs + n; j++) {
2299 uint32_t id = j->id;
2300 assert(j->name && j->type && j->state);
2301
2302 id_len = MAX(id_len, DECIMAL_STR_WIDTH(id));
2303 unit_len = MAX(unit_len, strlen(j->name));
2304 type_len = MAX(type_len, strlen(j->type));
2305 state_len = MAX(state_len, strlen(j->state));
2306 }
2307
2308 if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) {
2309 unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3);
2310 shorten = true;
2311 }
2312
2313 if (!arg_no_legend)
2314 printf("%*s %-*s %-*s %-*s\n",
2315 id_len, "JOB",
2316 unit_len, "UNIT",
2317 type_len, "TYPE",
2318 state_len, "STATE");
2319
2320 for (j = jobs; j < jobs + n; j++) {
2321 _cleanup_free_ char *e = NULL;
2322
2323 if (streq(j->state, "running")) {
2324 on = ansi_highlight();
2325 off = ansi_normal();
2326 } else
2327 on = off = "";
2328
2329 e = shorten ? ellipsize(j->name, unit_len, 33) : NULL;
2330 printf("%*u %s%-*s%s %-*s %s%-*s%s\n",
2331 id_len, j->id,
2332 on, unit_len, e ? e : j->name, off,
2333 type_len, j->type,
2334 on, state_len, j->state, off);
2335
2336 if (arg_jobs_after)
2337 output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job");
2338 if (arg_jobs_before)
2339 output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job");
2340 }
2341
2342 if (!arg_no_legend) {
2343 on = ansi_highlight();
2344 off = ansi_normal();
2345
2346 printf("\n%s%u jobs listed%s.\n", on, n, off);
2347 }
2348 }
2349
2350 static bool output_show_job(struct job_info *job, char **patterns) {
2351 return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
2352 }
2353
2354 static int list_jobs(int argc, char *argv[], void *userdata) {
2355 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2356 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2357 _cleanup_free_ struct job_info *jobs = NULL;
2358 const char *name, *type, *state;
2359 bool skipped = false;
2360 size_t size = 0;
2361 unsigned c = 0;
2362 sd_bus *bus;
2363 uint32_t id;
2364 int r;
2365
2366 r = acquire_bus(BUS_MANAGER, &bus);
2367 if (r < 0)
2368 return r;
2369
2370 r = sd_bus_call_method(
2371 bus,
2372 "org.freedesktop.systemd1",
2373 "/org/freedesktop/systemd1",
2374 "org.freedesktop.systemd1.Manager",
2375 "ListJobs",
2376 &error,
2377 &reply,
2378 NULL);
2379 if (r < 0)
2380 return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
2381
2382 r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
2383 if (r < 0)
2384 return bus_log_parse_error(r);
2385
2386 while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
2387 struct job_info job = { id, name, type, state };
2388
2389 if (!output_show_job(&job, strv_skip(argv, 1))) {
2390 skipped = true;
2391 continue;
2392 }
2393
2394 if (!GREEDY_REALLOC(jobs, size, c + 1))
2395 return log_oom();
2396
2397 jobs[c++] = job;
2398 }
2399 if (r < 0)
2400 return bus_log_parse_error(r);
2401
2402 r = sd_bus_message_exit_container(reply);
2403 if (r < 0)
2404 return bus_log_parse_error(r);
2405
2406 (void) pager_open(arg_pager_flags);
2407
2408 output_jobs_list(bus, jobs, c, skipped);
2409 return 0;
2410 }
2411
2412 static int cancel_job(int argc, char *argv[], void *userdata) {
2413 sd_bus *bus;
2414 char **name;
2415 int r = 0;
2416
2417 if (argc <= 1)
2418 return trivial_method(argc, argv, userdata);
2419
2420 r = acquire_bus(BUS_MANAGER, &bus);
2421 if (r < 0)
2422 return r;
2423
2424 polkit_agent_open_maybe();
2425
2426 STRV_FOREACH(name, strv_skip(argv, 1)) {
2427 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2428 uint32_t id;
2429 int q;
2430
2431 q = safe_atou32(*name, &id);
2432 if (q < 0)
2433 return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name);
2434
2435 q = sd_bus_call_method(
2436 bus,
2437 "org.freedesktop.systemd1",
2438 "/org/freedesktop/systemd1",
2439 "org.freedesktop.systemd1.Manager",
2440 "CancelJob",
2441 &error,
2442 NULL,
2443 "u", id);
2444 if (q < 0) {
2445 log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q));
2446 if (r == 0)
2447 r = q;
2448 }
2449 }
2450
2451 return r;
2452 }
2453
2454 static int need_daemon_reload(sd_bus *bus, const char *unit) {
2455 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2456 const char *path;
2457 int b, r;
2458
2459 /* We ignore all errors here, since this is used to show a
2460 * warning only */
2461
2462 /* We don't use unit_dbus_path_from_name() directly since we
2463 * don't want to load the unit if it isn't loaded. */
2464
2465 r = sd_bus_call_method(
2466 bus,
2467 "org.freedesktop.systemd1",
2468 "/org/freedesktop/systemd1",
2469 "org.freedesktop.systemd1.Manager",
2470 "GetUnit",
2471 NULL,
2472 &reply,
2473 "s", unit);
2474 if (r < 0)
2475 return r;
2476
2477 r = sd_bus_message_read(reply, "o", &path);
2478 if (r < 0)
2479 return r;
2480
2481 r = sd_bus_get_property_trivial(
2482 bus,
2483 "org.freedesktop.systemd1",
2484 path,
2485 "org.freedesktop.systemd1.Unit",
2486 "NeedDaemonReload",
2487 NULL,
2488 'b', &b);
2489 if (r < 0)
2490 return r;
2491
2492 return b;
2493 }
2494
2495 static void warn_unit_file_changed(const char *name) {
2496 assert(name);
2497
2498 log_warning("%sWarning:%s The unit file, source configuration file or drop-ins of %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.",
2499 ansi_highlight_red(),
2500 ansi_normal(),
2501 name,
2502 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
2503 }
2504
2505 static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) {
2506 char **p;
2507
2508 assert(lp);
2509 assert(unit_name);
2510
2511 STRV_FOREACH(p, lp->search_path) {
2512 _cleanup_free_ char *path = NULL, *lpath = NULL;
2513 int r;
2514
2515 path = path_join(*p, unit_name);
2516 if (!path)
2517 return log_oom();
2518
2519 r = chase_symlinks(path, arg_root, 0, &lpath);
2520 if (r == -ENOENT)
2521 continue;
2522 if (r == -ENOMEM)
2523 return log_oom();
2524 if (r < 0)
2525 return log_error_errno(r, "Failed to access path \"%s\": %m", path);
2526
2527 if (ret_unit_path)
2528 *ret_unit_path = TAKE_PTR(lpath);
2529
2530 return 1;
2531 }
2532
2533 if (ret_unit_path)
2534 *ret_unit_path = NULL;
2535
2536 return 0;
2537 }
2538
2539 static int unit_find_template_path(
2540 const char *unit_name,
2541 LookupPaths *lp,
2542 char **ret_fragment_path,
2543 char **ret_template) {
2544
2545 _cleanup_free_ char *t = NULL, *f = NULL;
2546 int r;
2547
2548 /* Returns 1 if a fragment was found, 0 if not found, negative on error. */
2549
2550 r = unit_file_find_path(lp, unit_name, &f);
2551 if (r < 0)
2552 return r;
2553 if (r > 0) {
2554 if (ret_fragment_path)
2555 *ret_fragment_path = TAKE_PTR(f);
2556 if (ret_template)
2557 *ret_template = NULL;
2558 return r; /* found a real unit */
2559 }
2560
2561 r = unit_name_template(unit_name, &t);
2562 if (r == -EINVAL) {
2563 if (ret_fragment_path)
2564 *ret_fragment_path = NULL;
2565 if (ret_template)
2566 *ret_template = NULL;
2567
2568 return 0; /* not a template, does not exist */
2569 }
2570 if (r < 0)
2571 return log_error_errno(r, "Failed to determine template name: %m");
2572
2573 r = unit_file_find_path(lp, t, ret_fragment_path);
2574 if (r < 0)
2575 return r;
2576
2577 if (ret_template)
2578 *ret_template = r > 0 ? TAKE_PTR(t) : NULL;
2579
2580 return r;
2581 }
2582
2583 static int unit_find_paths(
2584 sd_bus *bus,
2585 const char *unit_name,
2586 LookupPaths *lp,
2587 bool force_client_side,
2588 char **ret_fragment_path,
2589 char ***ret_dropin_paths) {
2590
2591 _cleanup_strv_free_ char **dropins = NULL;
2592 _cleanup_free_ char *path = NULL;
2593 int r;
2594
2595 /**
2596 * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is
2597 * found, and sets:
2598 * - the path to the unit in *ret_frament_path, if it exists on disk,
2599 * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins
2600 * were found.
2601 *
2602 * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for
2603 * some reason (the latter only applies if we are going through the service manager).
2604 */
2605
2606 assert(unit_name);
2607 assert(ret_fragment_path);
2608 assert(lp);
2609
2610 /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */
2611 if (!force_client_side &&
2612 !install_client_side() &&
2613 !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
2614 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2615 _cleanup_free_ char *load_state = NULL, *dbus_path = NULL;
2616
2617 dbus_path = unit_dbus_path_from_name(unit_name);
2618 if (!dbus_path)
2619 return log_oom();
2620
2621 r = sd_bus_get_property_string(
2622 bus,
2623 "org.freedesktop.systemd1",
2624 dbus_path,
2625 "org.freedesktop.systemd1.Unit",
2626 "LoadState",
2627 &error,
2628 &load_state);
2629 if (r < 0)
2630 return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r));
2631
2632 if (streq(load_state, "masked"))
2633 return -ERFKILL;
2634 if (streq(load_state, "not-found")) {
2635 r = 0;
2636 goto not_found;
2637 }
2638 if (!STR_IN_SET(load_state, "loaded", "bad-setting"))
2639 return -EKEYREJECTED;
2640
2641 r = sd_bus_get_property_string(
2642 bus,
2643 "org.freedesktop.systemd1",
2644 dbus_path,
2645 "org.freedesktop.systemd1.Unit",
2646 "FragmentPath",
2647 &error,
2648 &path);
2649 if (r < 0)
2650 return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r));
2651
2652 if (ret_dropin_paths) {
2653 r = sd_bus_get_property_strv(
2654 bus,
2655 "org.freedesktop.systemd1",
2656 dbus_path,
2657 "org.freedesktop.systemd1.Unit",
2658 "DropInPaths",
2659 &error,
2660 &dropins);
2661 if (r < 0)
2662 return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r));
2663 }
2664 } else {
2665 const char *_path;
2666 _cleanup_set_free_free_ Set *names = NULL;
2667
2668 if (!cached_name_map) {
2669 r = unit_file_build_name_map(lp, NULL, &cached_id_map, &cached_name_map, NULL);
2670 if (r < 0)
2671 return r;
2672 }
2673
2674 r = unit_file_find_fragment(cached_id_map, cached_name_map, unit_name, &_path, &names);
2675 if (r < 0)
2676 return r;
2677
2678 if (_path) {
2679 path = strdup(_path);
2680 if (!path)
2681 return log_oom();
2682 }
2683
2684 if (ret_dropin_paths) {
2685 r = unit_file_find_dropin_paths(arg_root, lp->search_path, NULL,
2686 ".d", ".conf",
2687 names, &dropins);
2688 if (r < 0)
2689 return r;
2690 }
2691 }
2692
2693 if (isempty(path)) {
2694 *ret_fragment_path = NULL;
2695 r = 0;
2696 } else {
2697 *ret_fragment_path = TAKE_PTR(path);
2698 r = 1;
2699 }
2700
2701 if (ret_dropin_paths) {
2702 if (!strv_isempty(dropins)) {
2703 *ret_dropin_paths = TAKE_PTR(dropins);
2704 r = 1;
2705 } else
2706 *ret_dropin_paths = NULL;
2707 }
2708
2709 not_found:
2710 if (r == 0 && !arg_force)
2711 log_error("No files found for %s.", unit_name);
2712
2713 return r;
2714 }
2715
2716 static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) {
2717 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2718 _cleanup_free_ char *buf = NULL, *dbus_path = NULL;
2719 UnitActiveState state;
2720 int r;
2721
2722 assert(name);
2723 assert(active_state);
2724
2725 dbus_path = unit_dbus_path_from_name(name);
2726 if (!dbus_path)
2727 return log_oom();
2728
2729 r = sd_bus_get_property_string(
2730 bus,
2731 "org.freedesktop.systemd1",
2732 dbus_path,
2733 "org.freedesktop.systemd1.Unit",
2734 "ActiveState",
2735 &error,
2736 &buf);
2737 if (r < 0)
2738 return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r));
2739
2740 state = unit_active_state_from_string(buf);
2741 if (state < 0)
2742 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name);
2743
2744 *active_state = state;
2745 return 0;
2746 }
2747
2748 static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) {
2749 _cleanup_free_ char *load_state = NULL;
2750 int r;
2751
2752 if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
2753 _cleanup_free_ char *path = NULL;
2754
2755 /* A template cannot be loaded, but it can be still masked, so
2756 * we need to use a different method. */
2757
2758 r = unit_file_find_path(lp, name, &path);
2759 if (r < 0)
2760 return r;
2761 if (r == 0)
2762 return false;
2763 return null_or_empty_path(path);
2764 }
2765
2766 r = unit_load_state(bus, name, &load_state);
2767 if (r < 0)
2768 return r;
2769
2770 return streq(load_state, "masked");
2771 }
2772
2773 static int check_triggering_units(sd_bus *bus, const char *name) {
2774 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2775 _cleanup_free_ char *n = NULL, *dbus_path = NULL, *load_state = NULL;
2776 _cleanup_strv_free_ char **triggered_by = NULL;
2777 bool print_warning_label = true;
2778 UnitActiveState active_state;
2779 char **i;
2780 int r;
2781
2782 r = unit_name_mangle(name, 0, &n);
2783 if (r < 0)
2784 return log_error_errno(r, "Failed to mangle unit name: %m");
2785
2786 r = unit_load_state(bus, name, &load_state);
2787 if (r < 0)
2788 return r;
2789
2790 if (streq(load_state, "masked"))
2791 return 0;
2792
2793 dbus_path = unit_dbus_path_from_name(n);
2794 if (!dbus_path)
2795 return log_oom();
2796
2797 r = sd_bus_get_property_strv(
2798 bus,
2799 "org.freedesktop.systemd1",
2800 dbus_path,
2801 "org.freedesktop.systemd1.Unit",
2802 "TriggeredBy",
2803 &error,
2804 &triggered_by);
2805 if (r < 0)
2806 return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r));
2807
2808 STRV_FOREACH(i, triggered_by) {
2809 r = get_state_one_unit(bus, *i, &active_state);
2810 if (r < 0)
2811 return r;
2812
2813 if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING))
2814 continue;
2815
2816 if (print_warning_label) {
2817 log_warning("Warning: Stopping %s, but it can still be activated by:", n);
2818 print_warning_label = false;
2819 }
2820
2821 log_warning(" %s", *i);
2822 }
2823
2824 return 0;
2825 }
2826
2827 static const struct {
2828 const char *verb; /* systemctl verb */
2829 const char *method; /* Name of the specific D-Bus method */
2830 const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */
2831 } unit_actions[] = {
2832 { "start", "StartUnit", "start" },
2833 { "stop", "StopUnit", "stop" },
2834 { "condstop", "StopUnit", "stop" }, /* legacy alias */
2835 { "reload", "ReloadUnit", "reload" },
2836 { "restart", "RestartUnit", "restart" },
2837 { "try-restart", "TryRestartUnit", "try-restart" },
2838 { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */
2839 { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" },
2840 { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" },
2841 { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2842 { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2843 { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */
2844 };
2845
2846 static const char *verb_to_method(const char *verb) {
2847 size_t i;
2848
2849 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2850 if (streq_ptr(unit_actions[i].verb, verb))
2851 return unit_actions[i].method;
2852
2853 return "StartUnit";
2854 }
2855
2856 static const char *verb_to_job_type(const char *verb) {
2857 size_t i;
2858
2859 for (i = 0; i < ELEMENTSOF(unit_actions); i++)
2860 if (streq_ptr(unit_actions[i].verb, verb))
2861 return unit_actions[i].job_type;
2862
2863 return "start";
2864 }
2865
2866 static int start_unit_one(
2867 sd_bus *bus,
2868 const char *method, /* When using classic per-job bus methods */
2869 const char *job_type, /* When using new-style EnqueueUnitJob() */
2870 const char *name,
2871 const char *mode,
2872 sd_bus_error *error,
2873 BusWaitForJobs *w,
2874 BusWaitForUnits *wu) {
2875
2876 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
2877 const char *path;
2878 bool done = false;
2879 int r;
2880
2881 assert(method);
2882 assert(name);
2883 assert(mode);
2884 assert(error);
2885
2886 log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)",
2887 arg_dry_run ? "Would execute" : "Executing",
2888 method, name, mode);
2889
2890 if (arg_dry_run)
2891 return 0;
2892
2893 if (arg_show_transaction) {
2894 _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL;
2895
2896 /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */
2897 r = sd_bus_call_method(
2898 bus,
2899 "org.freedesktop.systemd1",
2900 "/org/freedesktop/systemd1",
2901 "org.freedesktop.systemd1.Manager",
2902 "EnqueueUnitJob",
2903 &enqueue_error,
2904 &reply,
2905 "sss",
2906 name, job_type, mode);
2907 if (r < 0) {
2908 if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2909 (void) sd_bus_error_move(error, &enqueue_error);
2910 goto fail;
2911 }
2912
2913 /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */
2914 log_notice("--show-transaction not supported by this service manager, proceeding without.");
2915 } else {
2916 const char *u, *jt;
2917 uint32_t id;
2918
2919 r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt);
2920 if (r < 0)
2921 return bus_log_parse_error(r);
2922
2923 log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt);
2924
2925 r = sd_bus_message_enter_container(reply, 'a', "(uosos)");
2926 if (r < 0)
2927 return bus_log_parse_error(r);
2928 for (;;) {
2929 r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt);
2930 if (r < 0)
2931 return bus_log_parse_error(r);
2932 if (r == 0)
2933 break;
2934
2935 log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt);
2936 }
2937
2938 r = sd_bus_message_exit_container(reply);
2939 if (r < 0)
2940 return bus_log_parse_error(r);
2941
2942 done = true;
2943 }
2944 }
2945
2946 if (!done) {
2947 r = sd_bus_call_method(
2948 bus,
2949 "org.freedesktop.systemd1",
2950 "/org/freedesktop/systemd1",
2951 "org.freedesktop.systemd1.Manager",
2952 method,
2953 error,
2954 &reply,
2955 "ss", name, mode);
2956 if (r < 0)
2957 goto fail;
2958
2959 r = sd_bus_message_read(reply, "o", &path);
2960 if (r < 0)
2961 return bus_log_parse_error(r);
2962 }
2963
2964 if (need_daemon_reload(bus, name) > 0)
2965 warn_unit_file_changed(name);
2966
2967 if (w) {
2968 log_debug("Adding %s to the set", path);
2969 r = bus_wait_for_jobs_add(w, path);
2970 if (r < 0)
2971 return log_error_errno(r, "Failed to watch job for %s: %m", name);
2972 }
2973
2974 if (wu) {
2975 r = bus_wait_for_units_add_unit(wu, name, BUS_WAIT_FOR_INACTIVE|BUS_WAIT_NO_JOB, NULL, NULL);
2976 if (r < 0)
2977 return log_error_errno(r, "Failed to watch unit %s: %m", name);
2978 }
2979
2980 return 0;
2981
2982 fail:
2983 /* There's always a fallback possible for legacy actions. */
2984 if (arg_action != ACTION_SYSTEMCTL)
2985 return r;
2986
2987 log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r));
2988
2989 if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) &&
2990 !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) &&
2991 !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE))
2992 log_error("See %s logs and 'systemctl%s status%s %s' for details.",
2993 arg_scope == UNIT_FILE_SYSTEM ? "system" : "user",
2994 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
2995 name[0] == '-' ? " --" : "",
2996 name);
2997
2998 return r;
2999 }
3000
3001 static const struct {
3002 const char *target;
3003 const char *verb;
3004 const char *mode;
3005 } action_table[_ACTION_MAX] = {
3006 [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" },
3007 [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" },
3008 [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" },
3009 [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" },
3010 [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3011 [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3012 [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" },
3013 [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" },
3014 [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" },
3015 [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" },
3016 [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" },
3017 [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" },
3018 [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" },
3019 [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" },
3020 [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" },
3021 [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" },
3022 };
3023
3024 static enum action verb_to_action(const char *verb) {
3025 enum action i;
3026
3027 for (i = 0; i < _ACTION_MAX; i++)
3028 if (streq_ptr(action_table[i].verb, verb))
3029 return i;
3030
3031 return _ACTION_INVALID;
3032 }
3033
3034 static const char** make_extra_args(const char *extra_args[static 4]) {
3035 size_t n = 0;
3036
3037 assert(extra_args);
3038
3039 if (arg_scope != UNIT_FILE_SYSTEM)
3040 extra_args[n++] = "--user";
3041
3042 if (arg_transport == BUS_TRANSPORT_REMOTE) {
3043 extra_args[n++] = "-H";
3044 extra_args[n++] = arg_host;
3045 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
3046 extra_args[n++] = "-M";
3047 extra_args[n++] = arg_host;
3048 } else
3049 assert(arg_transport == BUS_TRANSPORT_LOCAL);
3050
3051 extra_args[n] = NULL;
3052 return extra_args;
3053 }
3054
3055 static int start_unit(int argc, char *argv[], void *userdata) {
3056 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *wu = NULL;
3057 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
3058 const char *method, *job_type, *mode, *one_name, *suffix = NULL;
3059 _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */
3060 _cleanup_strv_free_ char **names = NULL;
3061 int r, ret = EXIT_SUCCESS;
3062 sd_bus *bus;
3063 char **name;
3064
3065 if (arg_wait && !STR_IN_SET(argv[0], "start", "restart"))
3066 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3067 "--wait may only be used with the 'start' or 'restart' commands.");
3068
3069 /* we cannot do sender tracking on the private bus, so we need the full
3070 * one for RefUnit to implement --wait */
3071 r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus);
3072 if (r < 0)
3073 return r;
3074
3075 ask_password_agent_open_if_enabled();
3076 polkit_agent_open_maybe();
3077
3078 if (arg_action == ACTION_SYSTEMCTL) {
3079 enum action action;
3080
3081 action = verb_to_action(argv[0]);
3082
3083 if (action != _ACTION_INVALID) {
3084 /* A command in style "systemctl reboot", "systemctl poweroff", … */
3085 method = "StartUnit";
3086 job_type = "start";
3087 mode = action_table[action].mode;
3088 one_name = action_table[action].target;
3089 } else {
3090 if (streq(argv[0], "isolate")) {
3091 /* A "systemctl isolate <unit1> <unit2> …" command */
3092 method = "StartUnit";
3093 job_type = "start";
3094 mode = "isolate";
3095 suffix = ".target";
3096 } else {
3097 /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */
3098 method = verb_to_method(argv[0]);
3099 job_type = verb_to_job_type(argv[0]);
3100 mode = arg_job_mode;
3101 }
3102 one_name = NULL;
3103 }
3104 } else {
3105 /* A SysV legacy command such as "halt", "reboot", "poweroff", … */
3106 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
3107 assert(action_table[arg_action].target);
3108 assert(action_table[arg_action].mode);
3109
3110 method = "StartUnit";
3111 job_type = "start";
3112 mode = action_table[arg_action].mode;
3113 one_name = action_table[arg_action].target;
3114 }
3115
3116 if (one_name) {
3117 names = strv_new(one_name);
3118 if (!names)
3119 return log_oom();
3120 } else {
3121 r = expand_names(bus, strv_skip(argv, 1), suffix, &names);
3122 if (r < 0)
3123 return log_error_errno(r, "Failed to expand names: %m");
3124 }
3125
3126 if (!arg_no_block) {
3127 r = bus_wait_for_jobs_new(bus, &w);
3128 if (r < 0)
3129 return log_error_errno(r, "Could not watch jobs: %m");
3130 }
3131
3132 if (arg_wait) {
3133 r = sd_bus_call_method_async(
3134 bus,
3135 NULL,
3136 "org.freedesktop.systemd1",
3137 "/org/freedesktop/systemd1",
3138 "org.freedesktop.systemd1.Manager",
3139 "Subscribe",
3140 NULL, NULL,
3141 NULL);
3142 if (r < 0)
3143 return log_error_errno(r, "Failed to enable subscription: %m");
3144
3145 r = bus_wait_for_units_new(bus, &wu);
3146 if (r < 0)
3147 return log_error_errno(r, "Failed to allocate unit watch context: %m");
3148 }
3149
3150 STRV_FOREACH(name, names) {
3151 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3152
3153 r = start_unit_one(bus, method, job_type, *name, mode, &error, w, wu);
3154 if (ret == EXIT_SUCCESS && r < 0)
3155 ret = translate_bus_error_to_exit_status(r, &error);
3156
3157 if (r >= 0 && streq(method, "StopUnit")) {
3158 r = strv_push(&stopped_units, *name);
3159 if (r < 0)
3160 return log_oom();
3161 }
3162 }
3163
3164 if (!arg_no_block) {
3165 const char* extra_args[4];
3166
3167 r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args));
3168 if (r < 0)
3169 return r;
3170
3171 /* When stopping units, warn if they can still be triggered by
3172 * another active unit (socket, path, timer) */
3173 if (!arg_quiet)
3174 STRV_FOREACH(name, stopped_units)
3175 (void) check_triggering_units(bus, *name);
3176 }
3177
3178 if (arg_wait) {
3179 r = bus_wait_for_units_run(wu);
3180 if (r < 0)
3181 return log_error_errno(r, "Failed to wait for units: %m");
3182 if (r == BUS_WAIT_FAILURE && ret == EXIT_SUCCESS)
3183 ret = EXIT_FAILURE;
3184 }
3185
3186 return ret;
3187 }
3188
3189 #if ENABLE_LOGIND
3190 static int logind_set_wall_message(void) {
3191 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3192 sd_bus *bus;
3193 _cleanup_free_ char *m = NULL;
3194 int r;
3195
3196 r = acquire_bus(BUS_FULL, &bus);
3197 if (r < 0)
3198 return r;
3199
3200 m = strv_join(arg_wall, " ");
3201 if (!m)
3202 return log_oom();
3203
3204 log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m);
3205 if (arg_dry_run)
3206 return 0;
3207
3208 r = sd_bus_call_method(
3209 bus,
3210 "org.freedesktop.login1",
3211 "/org/freedesktop/login1",
3212 "org.freedesktop.login1.Manager",
3213 "SetWallMessage",
3214 &error,
3215 NULL,
3216 "sb",
3217 m,
3218 !arg_no_wall);
3219
3220 if (r < 0)
3221 return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r));
3222 return 0;
3223 }
3224 #endif
3225
3226 /* Ask systemd-logind, which might grant access to unprivileged users through polkit */
3227 static int logind_reboot(enum action a) {
3228 #if ENABLE_LOGIND
3229 static const struct {
3230 const char *method;
3231 const char *description;
3232 } actions[_ACTION_MAX] = {
3233 [ACTION_POWEROFF] = { "PowerOff", "power off system" },
3234 [ACTION_REBOOT] = { "Reboot", "reboot system" },
3235 [ACTION_HALT] = { "Halt", "halt system" },
3236 [ACTION_SUSPEND] = { "Suspend", "suspend system" },
3237 [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" },
3238 [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" },
3239 [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" },
3240 };
3241
3242 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3243 sd_bus *bus;
3244 int r;
3245
3246 if (a < 0 || a >= _ACTION_MAX || !actions[a].method)
3247 return -EINVAL;
3248
3249 r = acquire_bus(BUS_FULL, &bus);
3250 if (r < 0)
3251 return r;
3252
3253 polkit_agent_open_maybe();
3254 (void) logind_set_wall_message();
3255
3256 log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method);
3257
3258 if (arg_dry_run)
3259 return 0;
3260
3261 r = sd_bus_call_method(
3262 bus,
3263 "org.freedesktop.login1",
3264 "/org/freedesktop/login1",
3265 "org.freedesktop.login1.Manager",
3266 actions[a].method,
3267 &error,
3268 NULL,
3269 "b", arg_ask_password);
3270 if (r < 0)
3271 return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r));
3272
3273 return 0;
3274 #else
3275 return -ENOSYS;
3276 #endif
3277 }
3278
3279 static int logind_check_inhibitors(enum action a) {
3280 #if ENABLE_LOGIND
3281 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
3282 _cleanup_strv_free_ char **sessions = NULL;
3283 const char *what, *who, *why, *mode;
3284 uint32_t uid, pid;
3285 sd_bus *bus;
3286 unsigned c = 0;
3287 char **s;
3288 int r;
3289
3290 if (arg_ignore_inhibitors || arg_force > 0)
3291 return 0;
3292
3293 if (arg_when > 0)
3294 return 0;
3295
3296 if (geteuid() == 0)
3297 return 0;
3298
3299 if (!on_tty())
3300 return 0;
3301
3302 if (arg_transport != BUS_TRANSPORT_LOCAL)
3303 return 0;
3304
3305 r = acquire_bus(BUS_FULL, &bus);
3306 if (r < 0)
3307 return r;
3308
3309 r = sd_bus_call_method(
3310 bus,
3311 "org.freedesktop.login1",
3312 "/org/freedesktop/login1",
3313 "org.freedesktop.login1.Manager",
3314 "ListInhibitors",
3315 NULL,
3316 &reply,
3317 NULL);
3318 if (r < 0)
3319 /* If logind is not around, then there are no inhibitors... */
3320 return 0;
3321
3322 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)");
3323 if (r < 0)
3324 return bus_log_parse_error(r);
3325
3326 while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) {
3327 _cleanup_free_ char *comm = NULL, *user = NULL;
3328 _cleanup_strv_free_ char **sv = NULL;
3329
3330 if (!streq(mode, "block"))
3331 continue;
3332
3333 sv = strv_split(what, ":");
3334 if (!sv)
3335 return log_oom();
3336
3337 if (!pid_is_valid((pid_t) pid))
3338 return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid);
3339
3340 if (!strv_contains(sv,
3341 IN_SET(a,
3342 ACTION_HALT,
3343 ACTION_POWEROFF,
3344 ACTION_REBOOT,
3345 ACTION_KEXEC) ? "shutdown" : "sleep"))
3346 continue;
3347
3348 get_process_comm(pid, &comm);
3349 user = uid_to_name(uid);
3350
3351 log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
3352 who, (pid_t) pid, strna(comm), strna(user), why);
3353
3354 c++;
3355 }
3356 if (r < 0)
3357 return bus_log_parse_error(r);
3358
3359 r = sd_bus_message_exit_container(reply);
3360 if (r < 0)
3361 return bus_log_parse_error(r);
3362
3363 /* Check for current sessions */
3364 sd_get_sessions(&sessions);
3365 STRV_FOREACH(s, sessions) {
3366 _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL;
3367
3368 if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid())
3369 continue;
3370
3371 if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user"))
3372 continue;
3373
3374 if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir"))
3375 continue;
3376
3377 sd_session_get_tty(*s, &tty);
3378 sd_session_get_seat(*s, &seat);
3379 sd_session_get_service(*s, &service);
3380 user = uid_to_name(uid);
3381
3382 log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty);
3383 c++;
3384 }
3385
3386 if (c <= 0)
3387 return 0;
3388
3389 log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.",
3390 action_table[a].verb);
3391
3392 return -EPERM;
3393 #else
3394 return 0;
3395 #endif
3396 }
3397
3398 static int prepare_firmware_setup(void) {
3399
3400 if (!arg_firmware_setup)
3401 return 0;
3402
3403 #if ENABLE_LOGIND
3404 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3405 sd_bus *bus;
3406 int r;
3407
3408 r = acquire_bus(BUS_FULL, &bus);
3409 if (r < 0)
3410 return r;
3411
3412 r = sd_bus_call_method(
3413 bus,
3414 "org.freedesktop.login1",
3415 "/org/freedesktop/login1",
3416 "org.freedesktop.login1.Manager",
3417 "SetRebootToFirmwareSetup",
3418 &error,
3419 NULL,
3420 "b", true);
3421 if (r < 0)
3422 return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r));
3423
3424 return 0;
3425 #else
3426 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3427 "Booting into firmware setup not supported.");
3428 #endif
3429 }
3430
3431 static int prepare_boot_loader_menu(void) {
3432
3433 if (arg_boot_loader_menu == USEC_INFINITY)
3434 return 0;
3435
3436 #if ENABLE_LOGIND
3437 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3438 sd_bus *bus;
3439 int r;
3440
3441 r = acquire_bus(BUS_FULL, &bus);
3442 if (r < 0)
3443 return r;
3444
3445 r = sd_bus_call_method(
3446 bus,
3447 "org.freedesktop.login1",
3448 "/org/freedesktop/login1",
3449 "org.freedesktop.login1.Manager",
3450 "SetRebootToBootLoaderMenu",
3451 &error,
3452 NULL,
3453 "t", arg_boot_loader_menu);
3454 if (r < 0)
3455 return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r));
3456
3457 return 0;
3458 #else
3459 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3460 "Booting into boot loader menu not supported.");
3461 #endif
3462 }
3463
3464 static int prepare_boot_loader_entry(void) {
3465
3466 if (!arg_boot_loader_entry)
3467 return 0;
3468
3469 #if ENABLE_LOGIND
3470 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3471 sd_bus *bus;
3472 int r;
3473
3474 r = acquire_bus(BUS_FULL, &bus);
3475 if (r < 0)
3476 return r;
3477
3478 r = sd_bus_call_method(
3479 bus,
3480 "org.freedesktop.login1",
3481 "/org/freedesktop/login1",
3482 "org.freedesktop.login1.Manager",
3483 "SetRebootToBootLoaderEntry",
3484 &error,
3485 NULL,
3486 "s", arg_boot_loader_entry);
3487 if (r < 0)
3488 return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r));
3489
3490 return 0;
3491 #else
3492 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
3493 "Booting into boot loader entry not supported.");
3494 #endif
3495 }
3496
3497 static int load_kexec_kernel(void) {
3498 _cleanup_(boot_config_free) BootConfig config = {};
3499 _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL;
3500 const BootEntry *e;
3501 pid_t pid;
3502 int r;
3503
3504 if (kexec_loaded()) {
3505 log_debug("Kexec kernel already loaded.");
3506 return 0;
3507 }
3508
3509 if (access(KEXEC, X_OK) < 0)
3510 return log_error_errno(errno, KEXEC" is not available: %m");
3511
3512 r = boot_entries_load_config_auto(NULL, NULL, &config);
3513 if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */
3514 return log_error_errno(r, "Cannot find the ESP partition mount point.");
3515 if (r < 0)
3516 return r;
3517
3518 e = boot_config_default_entry(&config);
3519 if (!e)
3520 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
3521 "No boot loader entry suitable as default, refusing to guess.");
3522
3523 log_debug("Found default boot loader entry in file \"%s\"", e->path);
3524
3525 if (!e->kernel)
3526 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3527 "Boot entry does not refer to Linux kernel, which is not supported currently.");
3528 if (strv_length(e->initrd) > 1)
3529 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
3530 "Boot entry specifies multiple initrds, which is not supported currently.");
3531
3532 kernel = path_join(e->root, e->kernel);
3533 if (!kernel)
3534 return log_oom();
3535
3536 if (!strv_isempty(e->initrd)) {
3537 initrd = path_join(e->root, e->initrd[0]);
3538 if (!initrd)
3539 return log_oom();
3540 }
3541
3542 options = strv_join(e->options, " ");
3543 if (!options)
3544 return log_oom();
3545
3546 log_full(arg_quiet ? LOG_DEBUG : LOG_INFO,
3547 "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s",
3548 arg_dry_run ? "Would run" : "Running",
3549 kernel,
3550 options,
3551 initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : "");
3552 if (arg_dry_run)
3553 return 0;
3554
3555 r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
3556 if (r < 0)
3557 return r;
3558 if (r == 0) {
3559 const char* const args[] = {
3560 KEXEC,
3561 "--load", kernel,
3562 "--append", options,
3563 initrd ? "--initrd" : NULL, initrd,
3564 NULL
3565 };
3566
3567 /* Child */
3568 execv(args[0], (char * const *) args);
3569 _exit(EXIT_FAILURE);
3570 }
3571
3572 return 0;
3573 }
3574
3575 static int set_exit_code(uint8_t code) {
3576 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3577 sd_bus *bus;
3578 int r;
3579
3580 r = acquire_bus(BUS_MANAGER, &bus);
3581 if (r < 0)
3582 return r;
3583
3584 r = sd_bus_call_method(
3585 bus,
3586 "org.freedesktop.systemd1",
3587 "/org/freedesktop/systemd1",
3588 "org.freedesktop.systemd1.Manager",
3589 "SetExitCode",
3590 &error,
3591 NULL,
3592 "y", code);
3593 if (r < 0)
3594 return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r));
3595
3596 return 0;
3597 }
3598
3599 static int start_special(int argc, char *argv[], void *userdata) {
3600 enum action a;
3601 int r;
3602 bool termination_action; /* an action that terminates the manager,
3603 * can be performed also by signal. */
3604
3605 assert(argv);
3606
3607 a = verb_to_action(argv[0]);
3608
3609 r = logind_check_inhibitors(a);
3610 if (r < 0)
3611 return r;
3612
3613 if (arg_force >= 2) {
3614 r = must_be_root();
3615 if (r < 0)
3616 return r;
3617 }
3618
3619 r = prepare_firmware_setup();
3620 if (r < 0)
3621 return r;
3622
3623 r = prepare_boot_loader_menu();
3624 if (r < 0)
3625 return r;
3626
3627 r = prepare_boot_loader_entry();
3628 if (r < 0)
3629 return r;
3630
3631 if (a == ACTION_REBOOT && argc > 1) {
3632 r = update_reboot_parameter_and_warn(argv[1], false);
3633 if (r < 0)
3634 return r;
3635
3636 } else if (a == ACTION_KEXEC) {
3637 r = load_kexec_kernel();
3638 if (r < 0 && arg_force >= 1)
3639 log_notice("Failed to load kexec kernel, continuing without.");
3640 else if (r < 0)
3641 return r;
3642
3643 } else if (a == ACTION_EXIT && argc > 1) {
3644 uint8_t code;
3645
3646 /* If the exit code is not given on the command line,
3647 * don't reset it to zero: just keep it as it might
3648 * have been set previously. */
3649
3650 r = safe_atou8(argv[1], &code);
3651 if (r < 0)
3652 return log_error_errno(r, "Invalid exit code.");
3653
3654 r = set_exit_code(code);
3655 if (r < 0)
3656 return r;
3657 }
3658
3659 termination_action = IN_SET(a,
3660 ACTION_HALT,
3661 ACTION_POWEROFF,
3662 ACTION_REBOOT);
3663 if (termination_action && arg_force >= 2)
3664 return halt_now(a);
3665
3666 if (arg_force >= 1 &&
3667 (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT)))
3668 r = trivial_method(argc, argv, userdata);
3669 else {
3670 /* First try logind, to allow authentication with polkit */
3671 if (IN_SET(a,
3672 ACTION_POWEROFF,
3673 ACTION_REBOOT,
3674 ACTION_HALT,
3675 ACTION_SUSPEND,
3676 ACTION_HIBERNATE,
3677 ACTION_HYBRID_SLEEP,
3678 ACTION_SUSPEND_THEN_HIBERNATE)) {
3679
3680 r = logind_reboot(a);
3681 if (r >= 0)
3682 return r;
3683 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
3684 /* requested operation is not supported or already in progress */
3685 return r;
3686
3687 /* On all other errors, try low-level operation. In order to minimize the difference between
3688 * operation with and without logind, we explicitly enable non-blocking mode for this, as
3689 * logind's shutdown operations are always non-blocking. */
3690
3691 arg_no_block = true;
3692
3693 } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC))
3694 /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them
3695 * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */
3696 arg_no_block = true;
3697
3698 r = start_unit(argc, argv, userdata);
3699 }
3700
3701 if (termination_action && arg_force < 2 &&
3702 IN_SET(r, -ENOENT, -ETIMEDOUT))
3703 log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1).");
3704
3705 return r;
3706 }
3707
3708 static int start_system_special(int argc, char *argv[], void *userdata) {
3709 /* Like start_special above, but raises an error when running in user mode */
3710
3711 if (arg_scope != UNIT_FILE_SYSTEM)
3712 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3713 "Bad action for %s mode.",
3714 arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user");
3715
3716 return start_special(argc, argv, userdata);
3717 }
3718
3719 static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) {
3720 _cleanup_strv_free_ char **names = NULL;
3721 UnitActiveState active_state;
3722 sd_bus *bus;
3723 char **name;
3724 int r, i;
3725 bool found = false;
3726
3727 r = acquire_bus(BUS_MANAGER, &bus);
3728 if (r < 0)
3729 return r;
3730
3731 r = expand_names(bus, args, NULL, &names);
3732 if (r < 0)
3733 return log_error_errno(r, "Failed to expand names: %m");
3734
3735 STRV_FOREACH(name, names) {
3736 r = get_state_one_unit(bus, *name, &active_state);
3737 if (r < 0)
3738 return r;
3739
3740 if (!arg_quiet)
3741 puts(unit_active_state_to_string(active_state));
3742
3743 for (i = 0; i < nb_states; ++i)
3744 if (good_states[i] == active_state)
3745 found = true;
3746 }
3747
3748 /* use the given return code for the case that we won't find
3749 * any unit which matches the list */
3750 return found ? 0 : code;
3751 }
3752
3753 static int check_unit_active(int argc, char *argv[], void *userdata) {
3754 static const UnitActiveState states[] = {
3755 UNIT_ACTIVE,
3756 UNIT_RELOADING,
3757 };
3758
3759 /* According to LSB: 3, "program is not running" */
3760 return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1));
3761 }
3762
3763 static int check_unit_failed(int argc, char *argv[], void *userdata) {
3764 static const UnitActiveState states[] = {
3765 UNIT_FAILED,
3766 };
3767
3768 return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1));
3769 }
3770
3771 static int kill_unit(int argc, char *argv[], void *userdata) {
3772 _cleanup_strv_free_ char **names = NULL;
3773 char *kill_who = NULL, **name;
3774 sd_bus *bus;
3775 int r, q;
3776
3777 r = acquire_bus(BUS_MANAGER, &bus);
3778 if (r < 0)
3779 return r;
3780
3781 polkit_agent_open_maybe();
3782
3783 if (!arg_kill_who)
3784 arg_kill_who = "all";
3785
3786 /* --fail was specified */
3787 if (streq(arg_job_mode, "fail"))
3788 kill_who = strjoina(arg_kill_who, "-fail");
3789
3790 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3791 if (r < 0)
3792 return log_error_errno(r, "Failed to expand names: %m");
3793
3794 STRV_FOREACH(name, names) {
3795 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3796
3797 q = sd_bus_call_method(
3798 bus,
3799 "org.freedesktop.systemd1",
3800 "/org/freedesktop/systemd1",
3801 "org.freedesktop.systemd1.Manager",
3802 "KillUnit",
3803 &error,
3804 NULL,
3805 "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal);
3806 if (q < 0) {
3807 log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q));
3808 if (r == 0)
3809 r = q;
3810 }
3811 }
3812
3813 return r;
3814 }
3815
3816 static int clean_unit(int argc, char *argv[], void *userdata) {
3817 _cleanup_(bus_wait_for_units_freep) BusWaitForUnits *w = NULL;
3818 _cleanup_strv_free_ char **names = NULL;
3819 int r, ret = EXIT_SUCCESS;
3820 char **name;
3821 sd_bus *bus;
3822
3823 r = acquire_bus(BUS_FULL, &bus);
3824 if (r < 0)
3825 return r;
3826
3827 polkit_agent_open_maybe();
3828
3829 if (!arg_clean_what) {
3830 arg_clean_what = strv_new("cache", "runtime");
3831 if (!arg_clean_what)
3832 return log_oom();
3833 }
3834
3835 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
3836 if (r < 0)
3837 return log_error_errno(r, "Failed to expand names: %m");
3838
3839 if (!arg_no_block) {
3840 r = bus_wait_for_units_new(bus, &w);
3841 if (r < 0)
3842 return log_error_errno(r, "Failed to allocate unit waiter: %m");
3843 }
3844
3845 STRV_FOREACH(name, names) {
3846 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3847 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
3848
3849 if (w) {
3850 /* If we shall wait for the cleaning to complete, let's add a ref on the unit first */
3851 r = sd_bus_call_method(
3852 bus,
3853 "org.freedesktop.systemd1",
3854 "/org/freedesktop/systemd1",
3855 "org.freedesktop.systemd1.Manager",
3856 "RefUnit",
3857 &error,
3858 NULL,
3859 "s", *name);
3860 if (r < 0) {
3861 log_error_errno(r, "Failed to add reference to unit %s: %s", *name, bus_error_message(&error, r));
3862 if (ret == EXIT_SUCCESS)
3863 ret = r;
3864 continue;
3865 }
3866 }
3867
3868 r = sd_bus_message_new_method_call(
3869 bus,
3870 &m,
3871 "org.freedesktop.systemd1",
3872 "/org/freedesktop/systemd1",
3873 "org.freedesktop.systemd1.Manager",
3874 "CleanUnit");
3875 if (r < 0)
3876 return bus_log_create_error(r);
3877
3878 r = sd_bus_message_append(m, "s", *name);
3879 if (r < 0)
3880 return bus_log_create_error(r);
3881
3882 r = sd_bus_message_append_strv(m, arg_clean_what);
3883 if (r < 0)
3884 return bus_log_create_error(r);
3885
3886 r = sd_bus_call(bus, m, 0, &error, NULL);
3887 if (r < 0) {
3888 log_error_errno(r, "Failed to clean unit %s: %s", *name, bus_error_message(&error, r));
3889 if (ret == EXIT_SUCCESS) {
3890 ret = r;
3891 continue;
3892 }
3893 }
3894
3895 if (w) {
3896 r = bus_wait_for_units_add_unit(w, *name, BUS_WAIT_REFFED|BUS_WAIT_FOR_MAINTENANCE_END, NULL, NULL);
3897 if (r < 0)
3898 return log_error_errno(r, "Failed to watch unit %s: %m", *name);
3899 }
3900 }
3901
3902 r = bus_wait_for_units_run(w);
3903 if (r < 0)
3904 return log_error_errno(r, "Failed to wait for units: %m");
3905 if (r == BUS_WAIT_FAILURE)
3906 ret = EXIT_FAILURE;
3907
3908 return ret;
3909 }
3910
3911 typedef struct ExecStatusInfo {
3912 char *name;
3913
3914 char *path;
3915 char **argv;
3916
3917 bool ignore;
3918
3919 usec_t start_timestamp;
3920 usec_t exit_timestamp;
3921 pid_t pid;
3922 int code;
3923 int status;
3924
3925 ExecCommandFlags flags;
3926
3927 LIST_FIELDS(struct ExecStatusInfo, exec);
3928 } ExecStatusInfo;
3929
3930 static void exec_status_info_free(ExecStatusInfo *i) {
3931 assert(i);
3932
3933 free(i->name);
3934 free(i->path);
3935 strv_free(i->argv);
3936 free(i);
3937 }
3938
3939 static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i, bool is_ex_prop) {
3940 _cleanup_strv_free_ char **ex_opts = NULL;
3941 uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic;
3942 const char *path;
3943 uint32_t pid;
3944 int32_t code, status;
3945 int ignore, r;
3946
3947 assert(m);
3948 assert(i);
3949
3950 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, is_ex_prop ? "sasasttttuii" : "sasbttttuii");
3951 if (r < 0)
3952 return bus_log_parse_error(r);
3953 else if (r == 0)
3954 return 0;
3955
3956 r = sd_bus_message_read(m, "s", &path);
3957 if (r < 0)
3958 return bus_log_parse_error(r);
3959
3960 i->path = strdup(path);
3961 if (!i->path)
3962 return log_oom();
3963
3964 r = sd_bus_message_read_strv(m, &i->argv);
3965 if (r < 0)
3966 return bus_log_parse_error(r);
3967
3968 r = is_ex_prop ? sd_bus_message_read_strv(m, &ex_opts) : sd_bus_message_read(m, "b", &ignore);
3969 if (r < 0)
3970 return bus_log_parse_error(r);
3971
3972 r = sd_bus_message_read(m,
3973 "ttttuii",
3974 &start_timestamp, &start_timestamp_monotonic,
3975 &exit_timestamp, &exit_timestamp_monotonic,
3976 &pid,
3977 &code, &status);
3978 if (r < 0)
3979 return bus_log_parse_error(r);
3980
3981 if (is_ex_prop) {
3982 r = exec_command_flags_from_strv(ex_opts, &i->flags);
3983 if (r < 0)
3984 return log_error_errno(r, "Failed to convert strv to ExecCommandFlags: %m");
3985
3986 i->ignore = FLAGS_SET(i->flags, EXEC_COMMAND_IGNORE_FAILURE);
3987 } else
3988 i->ignore = ignore;
3989
3990 i->start_timestamp = (usec_t) start_timestamp;
3991 i->exit_timestamp = (usec_t) exit_timestamp;
3992 i->pid = (pid_t) pid;
3993 i->code = code;
3994 i->status = status;
3995
3996 r = sd_bus_message_exit_container(m);
3997 if (r < 0)
3998 return bus_log_parse_error(r);
3999
4000 return 1;
4001 }
4002
4003 typedef struct UnitCondition {
4004 char *name;
4005 char *param;
4006 bool trigger;
4007 bool negate;
4008 int tristate;
4009
4010 LIST_FIELDS(struct UnitCondition, conditions);
4011 } UnitCondition;
4012
4013 static void unit_condition_free(UnitCondition *c) {
4014 if (!c)
4015 return;
4016
4017 free(c->name);
4018 free(c->param);
4019 free(c);
4020 }
4021
4022 DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free);
4023
4024 typedef struct UnitStatusInfo {
4025 const char *id;
4026 const char *load_state;
4027 const char *active_state;
4028 const char *sub_state;
4029 const char *unit_file_state;
4030 const char *unit_file_preset;
4031
4032 const char *description;
4033 const char *following;
4034
4035 char **documentation;
4036
4037 const char *fragment_path;
4038 const char *source_path;
4039 const char *control_group;
4040
4041 char **dropin_paths;
4042
4043 const char *load_error;
4044 const char *result;
4045
4046 usec_t inactive_exit_timestamp;
4047 usec_t inactive_exit_timestamp_monotonic;
4048 usec_t active_enter_timestamp;
4049 usec_t active_exit_timestamp;
4050 usec_t inactive_enter_timestamp;
4051
4052 bool need_daemon_reload;
4053 bool transient;
4054
4055 /* Service */
4056 pid_t main_pid;
4057 pid_t control_pid;
4058 const char *status_text;
4059 const char *pid_file;
4060 bool running:1;
4061 int status_errno;
4062
4063 usec_t start_timestamp;
4064 usec_t exit_timestamp;
4065
4066 int exit_code, exit_status;
4067
4068 usec_t condition_timestamp;
4069 bool condition_result;
4070 LIST_HEAD(UnitCondition, conditions);
4071
4072 usec_t assert_timestamp;
4073 bool assert_result;
4074 bool failed_assert_trigger;
4075 bool failed_assert_negate;
4076 const char *failed_assert;
4077 const char *failed_assert_parameter;
4078 usec_t next_elapse_real;
4079 usec_t next_elapse_monotonic;
4080
4081 /* Socket */
4082 unsigned n_accepted;
4083 unsigned n_connections;
4084 unsigned n_refused;
4085 bool accept;
4086
4087 /* Pairs of type, path */
4088 char **listen;
4089
4090 /* Device */
4091 const char *sysfs_path;
4092
4093 /* Mount, Automount */
4094 const char *where;
4095
4096 /* Swap */
4097 const char *what;
4098
4099 /* CGroup */
4100 uint64_t memory_current;
4101 uint64_t memory_min;
4102 uint64_t memory_low;
4103 uint64_t memory_high;
4104 uint64_t memory_max;
4105 uint64_t memory_swap_max;
4106 uint64_t memory_limit;
4107 uint64_t cpu_usage_nsec;
4108 uint64_t tasks_current;
4109 uint64_t tasks_max;
4110 uint64_t ip_ingress_bytes;
4111 uint64_t ip_egress_bytes;
4112 uint64_t io_read_bytes;
4113 uint64_t io_write_bytes;
4114
4115 uint64_t default_memory_min;
4116 uint64_t default_memory_low;
4117
4118 LIST_HEAD(ExecStatusInfo, exec);
4119 } UnitStatusInfo;
4120
4121 static void unit_status_info_free(UnitStatusInfo *info) {
4122 ExecStatusInfo *p;
4123 UnitCondition *c;
4124
4125 strv_free(info->documentation);
4126 strv_free(info->dropin_paths);
4127 strv_free(info->listen);
4128
4129 while ((c = info->conditions)) {
4130 LIST_REMOVE(conditions, info->conditions, c);
4131 unit_condition_free(c);
4132 }
4133
4134 while ((p = info->exec)) {
4135 LIST_REMOVE(exec, info->exec, p);
4136 exec_status_info_free(p);
4137 }
4138 }
4139
4140 static void print_status_info(
4141 sd_bus *bus,
4142 UnitStatusInfo *i,
4143 bool *ellipsized) {
4144
4145 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
4146 const char *s1, *s2, *active_on, *active_off, *on, *off, *ss;
4147 _cleanup_free_ char *formatted_path = NULL;
4148 ExecStatusInfo *p;
4149 usec_t timestamp;
4150 const char *path;
4151 char **t, **t2;
4152 int r;
4153
4154 assert(i);
4155
4156 /* This shows pretty information about a unit. See
4157 * print_property() for a low-level property printer */
4158
4159 if (streq_ptr(i->active_state, "failed")) {
4160 active_on = ansi_highlight_red();
4161 active_off = ansi_normal();
4162 } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) {
4163 active_on = ansi_highlight_green();
4164 active_off = ansi_normal();
4165 } else
4166 active_on = active_off = "";
4167
4168 printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id));
4169
4170 if (i->description && !streq_ptr(i->id, i->description))
4171 printf(" - %s", i->description);
4172
4173 printf("\n");
4174
4175 if (i->following)
4176 printf(" Follow: unit currently follows state of %s\n", i->following);
4177
4178 if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) {
4179 on = ansi_highlight_red();
4180 off = ansi_normal();
4181 } else
4182 on = off = "";
4183
4184 path = i->source_path ?: i->fragment_path;
4185 if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0)
4186 path = formatted_path;
4187
4188 if (!isempty(i->load_error))
4189 printf(" Loaded: %s%s%s (Reason: %s)\n",
4190 on, strna(i->load_state), off, i->load_error);
4191 else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) &&
4192 !STR_IN_SET(i->unit_file_state, "generated", "transient"))
4193 printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n",
4194 on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset);
4195 else if (path && !isempty(i->unit_file_state))
4196 printf(" Loaded: %s%s%s (%s; %s)\n",
4197 on, strna(i->load_state), off, path, i->unit_file_state);
4198 else if (path)
4199 printf(" Loaded: %s%s%s (%s)\n",
4200 on, strna(i->load_state), off, path);
4201 else
4202 printf(" Loaded: %s%s%s\n",
4203 on, strna(i->load_state), off);
4204
4205 if (i->transient)
4206 printf("Transient: yes\n");
4207
4208 if (!strv_isempty(i->dropin_paths)) {
4209 _cleanup_free_ char *dir = NULL;
4210 bool last = false;
4211 char ** dropin;
4212
4213 STRV_FOREACH(dropin, i->dropin_paths) {
4214 _cleanup_free_ char *dropin_formatted = NULL;
4215 const char *df;
4216
4217 if (!dir || last) {
4218 printf(dir ? " " :
4219 " Drop-In: ");
4220
4221 dir = mfree(dir);
4222
4223 dir = dirname_malloc(*dropin);
4224 if (!dir) {
4225 log_oom();
4226 return;
4227 }
4228
4229 printf("%s\n"
4230 " %s", dir,
4231 special_glyph(SPECIAL_GLYPH_TREE_RIGHT));
4232 }
4233
4234 last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir));
4235
4236 if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0)
4237 df = dropin_formatted;
4238 else
4239 df = *dropin;
4240
4241 printf("%s%s", df, last ? "\n" : ", ");
4242 }
4243 }
4244
4245 ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
4246 if (ss)
4247 printf(" Active: %s%s (%s)%s",
4248 active_on, strna(i->active_state), ss, active_off);
4249 else
4250 printf(" Active: %s%s%s",
4251 active_on, strna(i->active_state), active_off);
4252
4253 if (!isempty(i->result) && !streq(i->result, "success"))
4254 printf(" (Result: %s)", i->result);
4255
4256 timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp :
4257 STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp :
4258 STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp :
4259 i->active_exit_timestamp;
4260
4261 s1 = format_timestamp_relative(since1, sizeof(since1), timestamp);
4262 s2 = format_timestamp(since2, sizeof(since2), timestamp);
4263
4264 if (s1)
4265 printf(" since %s; %s\n", s2, s1);
4266 else if (s2)
4267 printf(" since %s\n", s2);
4268 else
4269 printf("\n");
4270
4271 if (endswith(i->id, ".timer")) {
4272 char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX],
4273 tstamp2[FORMAT_TIMESTAMP_MAX];
4274 const char *next_rel_time, *next_time;
4275 dual_timestamp nw, next = {i->next_elapse_real,
4276 i->next_elapse_monotonic};
4277 usec_t next_elapse;
4278
4279 printf(" Trigger: ");
4280
4281 dual_timestamp_get(&nw);
4282 next_elapse = calc_next_elapse(&nw, &next);
4283 next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse);
4284 next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse);
4285
4286 if (next_time && next_rel_time)
4287 printf("%s; %s\n", next_time, next_rel_time);
4288 else
4289 printf("n/a\n");
4290 }
4291
4292 if (!i->condition_result && i->condition_timestamp > 0) {
4293 UnitCondition *c;
4294 int n = 0;
4295
4296 s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp);
4297 s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp);
4298
4299 printf("Condition: start %scondition failed%s at %s%s%s\n",
4300 ansi_highlight_yellow(), ansi_normal(),
4301 s2, s1 ? "; " : "", strempty(s1));
4302
4303 LIST_FOREACH(conditions, c, i->conditions)
4304 if (c->tristate < 0)
4305 n++;
4306
4307 LIST_FOREACH(conditions, c, i->conditions)
4308 if (c->tristate < 0)
4309 printf(" %s %s=%s%s%s was not met\n",
4310 --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
4311 c->name,
4312 c->trigger ? "|" : "",
4313 c->negate ? "!" : "",
4314 c->param);
4315 }
4316
4317 if (!i->assert_result && i->assert_timestamp > 0) {
4318 s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp);
4319 s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp);
4320
4321 printf(" Assert: start %sassertion failed%s at %s%s%s\n",
4322 ansi_highlight_red(), ansi_normal(),
4323 s2, s1 ? "; " : "", strempty(s1));
4324 if (i->failed_assert_trigger)
4325 printf(" none of the trigger assertions were met\n");
4326 else if (i->failed_assert)
4327 printf(" %s=%s%s was not met\n",
4328 i->failed_assert,
4329 i->failed_assert_negate ? "!" : "",
4330 i->failed_assert_parameter);
4331 }
4332
4333 if (i->sysfs_path)
4334 printf(" Device: %s\n", i->sysfs_path);
4335 if (i->where)
4336 printf(" Where: %s\n", i->where);
4337 if (i->what)
4338 printf(" What: %s\n", i->what);
4339
4340 STRV_FOREACH(t, i->documentation) {
4341 _cleanup_free_ char *formatted = NULL;
4342 const char *q;
4343
4344 if (terminal_urlify(*t, NULL, &formatted) >= 0)
4345 q = formatted;
4346 else
4347 q = *t;
4348
4349 printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q);
4350 }
4351
4352 STRV_FOREACH_PAIR(t, t2, i->listen)
4353 printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t);
4354
4355 if (i->accept) {
4356 printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections);
4357 if (i->n_refused)
4358 printf(" Refused: %u", i->n_refused);
4359 printf("\n");
4360 }
4361
4362 LIST_FOREACH(exec, p, i->exec) {
4363 _cleanup_free_ char *argv = NULL;
4364 bool good;
4365
4366 /* Only show exited processes here */
4367 if (p->code == 0)
4368 continue;
4369
4370 /* Don't print ExecXYZEx= properties here since it will appear as a
4371 * duplicate of the non-Ex= variant. */
4372 if (endswith(p->name, "Ex"))
4373 continue;
4374
4375 argv = strv_join(p->argv, " ");
4376 printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv));
4377
4378 good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL);
4379 if (!good) {
4380 on = ansi_highlight_red();
4381 off = ansi_normal();
4382 } else
4383 on = off = "";
4384
4385 printf("%s(code=%s, ", on, sigchld_code_to_string(p->code));
4386
4387 if (p->code == CLD_EXITED) {
4388 const char *c;
4389
4390 printf("status=%i", p->status);
4391
4392 c = exit_status_to_string(p->status, EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4393 if (c)
4394 printf("/%s", c);
4395
4396 } else
4397 printf("signal=%s", signal_to_string(p->status));
4398
4399 printf(")%s\n", off);
4400
4401 if (i->main_pid == p->pid &&
4402 i->start_timestamp == p->start_timestamp &&
4403 i->exit_timestamp == p->start_timestamp)
4404 /* Let's not show this twice */
4405 i->main_pid = 0;
4406
4407 if (p->pid == i->control_pid)
4408 i->control_pid = 0;
4409 }
4410
4411 if (i->main_pid > 0 || i->control_pid > 0) {
4412 if (i->main_pid > 0) {
4413 printf(" Main PID: "PID_FMT, i->main_pid);
4414
4415 if (i->running) {
4416
4417 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4418 _cleanup_free_ char *comm = NULL;
4419
4420 (void) get_process_comm(i->main_pid, &comm);
4421 if (comm)
4422 printf(" (%s)", comm);
4423 }
4424
4425 } else if (i->exit_code > 0) {
4426 printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
4427
4428 if (i->exit_code == CLD_EXITED) {
4429 const char *c;
4430
4431 printf("status=%i", i->exit_status);
4432
4433 c = exit_status_to_string(i->exit_status,
4434 EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD);
4435 if (c)
4436 printf("/%s", c);
4437
4438 } else
4439 printf("signal=%s", signal_to_string(i->exit_status));
4440 printf(")");
4441 }
4442 }
4443
4444 if (i->control_pid > 0) {
4445 _cleanup_free_ char *c = NULL;
4446
4447 if (i->main_pid > 0)
4448 fputs("; Control PID: ", stdout);
4449 else
4450 fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */
4451
4452 printf(PID_FMT, i->control_pid);
4453
4454 if (arg_transport == BUS_TRANSPORT_LOCAL) {
4455 (void) get_process_comm(i->control_pid, &c);
4456 if (c)
4457 printf(" (%s)", c);
4458 }
4459 }
4460
4461 printf("\n");
4462 }
4463
4464 if (i->status_text)
4465 printf(" Status: \"%s\"\n", i->status_text);
4466 if (i->status_errno > 0)
4467 printf(" Error: %i (%s)\n", i->status_errno, strerror_safe(i->status_errno));
4468
4469 if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) {
4470 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4471
4472 printf(" IP: %s in, %s out\n",
4473 format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes),
4474 format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
4475 }
4476
4477 if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
4478 char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
4479
4480 printf(" IO: %s read, %s written\n",
4481 format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
4482 format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
4483 }
4484
4485 if (i->tasks_current != (uint64_t) -1) {
4486 printf(" Tasks: %" PRIu64, i->tasks_current);
4487
4488 if (i->tasks_max != (uint64_t) -1)
4489 printf(" (limit: %" PRIu64 ")\n", i->tasks_max);
4490 else
4491 printf("\n");
4492 }
4493
4494 if (i->memory_current != (uint64_t) -1) {
4495 char buf[FORMAT_BYTES_MAX];
4496
4497 printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current));
4498
4499 if (i->memory_min > 0 || i->memory_low > 0 ||
4500 i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
4501 i->memory_swap_max != CGROUP_LIMIT_MAX ||
4502 i->memory_limit != CGROUP_LIMIT_MAX) {
4503 const char *prefix = "";
4504
4505 printf(" (");
4506 if (i->memory_min > 0) {
4507 printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min));
4508 prefix = " ";
4509 }
4510 if (i->memory_low > 0) {
4511 printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low));
4512 prefix = " ";
4513 }
4514 if (i->memory_high != CGROUP_LIMIT_MAX) {
4515 printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high));
4516 prefix = " ";
4517 }
4518 if (i->memory_max != CGROUP_LIMIT_MAX) {
4519 printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max));
4520 prefix = " ";
4521 }
4522 if (i->memory_swap_max != CGROUP_LIMIT_MAX) {
4523 printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max));
4524 prefix = " ";
4525 }
4526 if (i->memory_limit != CGROUP_LIMIT_MAX) {
4527 printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit));
4528 prefix = " ";
4529 }
4530 printf(")");
4531 }
4532 printf("\n");
4533 }
4534
4535 if (i->cpu_usage_nsec != (uint64_t) -1) {
4536 char buf[FORMAT_TIMESPAN_MAX];
4537 printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
4538 }
4539
4540 if (i->control_group) {
4541 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
4542 static const char prefix[] = " ";
4543 unsigned c;
4544
4545 printf(" CGroup: %s\n", i->control_group);
4546
4547 c = columns();
4548 if (c > sizeof(prefix) - 1)
4549 c -= sizeof(prefix) - 1;
4550 else
4551 c = 0;
4552
4553 r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error);
4554 if (r == -EBADR) {
4555 unsigned k = 0;
4556 pid_t extra[2];
4557
4558 /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
4559
4560 if (i->main_pid > 0)
4561 extra[k++] = i->main_pid;
4562
4563 if (i->control_pid > 0)
4564 extra[k++] = i->control_pid;
4565
4566 show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags());
4567 } else if (r < 0)
4568 log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s",
4569 i->id, bus_error_message(&error, r));
4570 }
4571
4572 if (i->id && arg_transport == BUS_TRANSPORT_LOCAL)
4573 show_journal_by_unit(
4574 stdout,
4575 i->id,
4576 arg_output,
4577 0,
4578 i->inactive_exit_timestamp_monotonic,
4579 arg_lines,
4580 getuid(),
4581 get_output_flags() | OUTPUT_BEGIN_NEWLINE,
4582 SD_JOURNAL_LOCAL_ONLY,
4583 arg_scope == UNIT_FILE_SYSTEM,
4584 ellipsized);
4585
4586 if (i->need_daemon_reload)
4587 warn_unit_file_changed(i->id);
4588 }
4589
4590 static void show_unit_help(UnitStatusInfo *i) {
4591 char **p;
4592
4593 assert(i);
4594
4595 if (!i->documentation) {
4596 log_info("Documentation for %s not known.", i->id);
4597 return;
4598 }
4599
4600 STRV_FOREACH(p, i->documentation)
4601 if (startswith(*p, "man:"))
4602 show_man_page(*p + 4, false);
4603 else
4604 log_info("Can't show: %s", *p);
4605 }
4606
4607 static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4608 UnitStatusInfo *i = userdata;
4609 uint32_t u;
4610 int r;
4611
4612 r = sd_bus_message_read(m, "u", &u);
4613 if (r < 0)
4614 return r;
4615
4616 i->main_pid = (pid_t) u;
4617 i->running = u > 0;
4618
4619 return 0;
4620 }
4621
4622 static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4623 const char *message, **p = userdata;
4624 int r;
4625
4626 r = sd_bus_message_read(m, "(ss)", NULL, &message);
4627 if (r < 0)
4628 return r;
4629
4630 if (!isempty(message))
4631 *p = message;
4632
4633 return 0;
4634 }
4635
4636 static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4637 const char *type, *path;
4638 char ***p = userdata;
4639 int r;
4640
4641 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
4642 if (r < 0)
4643 return r;
4644
4645 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) {
4646
4647 r = strv_extend(p, type);
4648 if (r < 0)
4649 return r;
4650
4651 r = strv_extend(p, path);
4652 if (r < 0)
4653 return r;
4654 }
4655 if (r < 0)
4656 return r;
4657
4658 r = sd_bus_message_exit_container(m);
4659 if (r < 0)
4660 return r;
4661
4662 return 0;
4663 }
4664
4665 static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4666 UnitStatusInfo *i = userdata;
4667 const char *cond, *param;
4668 int trigger, negate;
4669 int32_t state;
4670 int r;
4671
4672 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4673 if (r < 0)
4674 return r;
4675
4676 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4677 _cleanup_(unit_condition_freep) UnitCondition *c = NULL;
4678
4679 c = new(UnitCondition, 1);
4680 if (!c)
4681 return -ENOMEM;
4682
4683 *c = (UnitCondition) {
4684 .name = strdup(cond),
4685 .param = strdup(param),
4686 .trigger = trigger,
4687 .negate = negate,
4688 .tristate = state,
4689 };
4690
4691 if (!c->name || !c->param)
4692 return -ENOMEM;
4693
4694 LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c));
4695 }
4696 if (r < 0)
4697 return r;
4698
4699 r = sd_bus_message_exit_container(m);
4700 if (r < 0)
4701 return r;
4702
4703 return 0;
4704 }
4705
4706 static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4707 UnitStatusInfo *i = userdata;
4708 const char *cond, *param;
4709 int trigger, negate;
4710 int32_t state;
4711 int r;
4712
4713 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)");
4714 if (r < 0)
4715 return r;
4716
4717 while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, &param, &state)) > 0) {
4718 if (state < 0 && (!trigger || !i->failed_assert)) {
4719 i->failed_assert = cond;
4720 i->failed_assert_trigger = trigger;
4721 i->failed_assert_negate = negate;
4722 i->failed_assert_parameter = param;
4723 }
4724 }
4725 if (r < 0)
4726 return r;
4727
4728 r = sd_bus_message_exit_container(m);
4729 if (r < 0)
4730 return r;
4731
4732 return 0;
4733 }
4734
4735 static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
4736 _cleanup_free_ ExecStatusInfo *info = NULL;
4737 ExecStatusInfo *last;
4738 UnitStatusInfo *i = userdata;
4739 bool is_ex_prop = endswith(member, "Ex");
4740 int r;
4741
4742 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
4743 if (r < 0)
4744 return r;
4745
4746 info = new0(ExecStatusInfo, 1);
4747 if (!info)
4748 return -ENOMEM;
4749
4750 LIST_FIND_TAIL(exec, i->exec, last);
4751
4752 while ((r = exec_status_info_deserialize(m, info, is_ex_prop)) > 0) {
4753
4754 info->name = strdup(member);
4755 if (!info->name)
4756 return -ENOMEM;
4757
4758 LIST_INSERT_AFTER(exec, i->exec, last, info);
4759 last = info;
4760
4761 info = new0(ExecStatusInfo, 1);
4762 if (!info)
4763 return -ENOMEM;
4764 }
4765 if (r < 0)
4766 return r;
4767
4768 r = sd_bus_message_exit_container(m);
4769 if (r < 0)
4770 return r;
4771
4772 return 0;
4773 }
4774
4775 static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) {
4776 char bus_type;
4777 const char *contents;
4778 int r;
4779
4780 assert(name);
4781 assert(m);
4782
4783 /* This is a low-level property printer, see
4784 * print_status_info() for the nicer output */
4785
4786 r = sd_bus_message_peek_type(m, &bus_type, &contents);
4787 if (r < 0)
4788 return r;
4789
4790 switch (bus_type) {
4791
4792 case SD_BUS_TYPE_INT32:
4793 if (endswith(name, "ActionExitStatus")) {
4794 int32_t i;
4795
4796 r = sd_bus_message_read_basic(m, bus_type, &i);
4797 if (r < 0)
4798 return r;
4799
4800 if (i >= 0 && i <= 255)
4801 bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i);
4802 else if (all)
4803 bus_print_property_value(name, expected_value, value, "[not set]");
4804
4805 return 1;
4806 } else if (streq(name, "NUMAPolicy")) {
4807 int32_t i;
4808
4809 r = sd_bus_message_read_basic(m, bus_type, &i);
4810 if (r < 0)
4811 return r;
4812
4813 bus_print_property_valuef(name, expected_value, value, "%s", strna(mpol_to_string(i)));
4814
4815 return 1;
4816 }
4817 break;
4818
4819 case SD_BUS_TYPE_STRUCT:
4820
4821 if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) {
4822 uint32_t u;
4823
4824 r = sd_bus_message_read(m, "(uo)", &u, NULL);
4825 if (r < 0)
4826 return bus_log_parse_error(r);
4827
4828 if (u > 0)
4829 bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u);
4830 else if (all)
4831 bus_print_property_value(name, expected_value, value, "");
4832
4833 return 1;
4834
4835 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) {
4836 const char *s;
4837
4838 r = sd_bus_message_read(m, "(so)", &s, NULL);
4839 if (r < 0)
4840 return bus_log_parse_error(r);
4841
4842 if (all || !isempty(s))
4843 bus_print_property_value(name, expected_value, value, s);
4844
4845 return 1;
4846
4847 } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) {
4848 const char *a = NULL, *b = NULL;
4849
4850 r = sd_bus_message_read(m, "(ss)", &a, &b);
4851 if (r < 0)
4852 return bus_log_parse_error(r);
4853
4854 if (!isempty(a) || !isempty(b))
4855 bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b));
4856 else if (all)
4857 bus_print_property_value(name, expected_value, value, "");
4858
4859 return 1;
4860
4861 } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) {
4862 _cleanup_strv_free_ char **l = NULL;
4863 int whitelist;
4864
4865 r = sd_bus_message_enter_container(m, 'r', "bas");
4866 if (r < 0)
4867 return bus_log_parse_error(r);
4868
4869 r = sd_bus_message_read(m, "b", &whitelist);
4870 if (r < 0)
4871 return bus_log_parse_error(r);
4872
4873 r = sd_bus_message_read_strv(m, &l);
4874 if (r < 0)
4875 return bus_log_parse_error(r);
4876
4877 r = sd_bus_message_exit_container(m);
4878 if (r < 0)
4879 return bus_log_parse_error(r);
4880
4881 if (all || whitelist || !strv_isempty(l)) {
4882 bool first = true;
4883 char **i;
4884
4885 if (!value) {
4886 fputs(name, stdout);
4887 fputc('=', stdout);
4888 }
4889
4890 if (!whitelist)
4891 fputc('~', stdout);
4892
4893 STRV_FOREACH(i, l) {
4894 if (first)
4895 first = false;
4896 else
4897 fputc(' ', stdout);
4898
4899 fputs(*i, stdout);
4900 }
4901 fputc('\n', stdout);
4902 }
4903
4904 return 1;
4905
4906 } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) {
4907 int ignore;
4908 const char *s;
4909
4910 r = sd_bus_message_read(m, "(bs)", &ignore, &s);
4911 if (r < 0)
4912 return bus_log_parse_error(r);
4913
4914 if (!isempty(s))
4915 bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s);
4916 else if (all)
4917 bus_print_property_value(name, expected_value, value, "");
4918
4919 return 1;
4920
4921 } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) {
4922 const int32_t *status, *signal;
4923 size_t n_status, n_signal, i;
4924
4925 r = sd_bus_message_enter_container(m, 'r', "aiai");
4926 if (r < 0)
4927 return bus_log_parse_error(r);
4928
4929 r = sd_bus_message_read_array(m, 'i', (const void **) &status, &n_status);
4930 if (r < 0)
4931 return bus_log_parse_error(r);
4932
4933 r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &n_signal);
4934 if (r < 0)
4935 return bus_log_parse_error(r);
4936
4937 r = sd_bus_message_exit_container(m);
4938 if (r < 0)
4939 return bus_log_parse_error(r);
4940
4941 n_status /= sizeof(int32_t);
4942 n_signal /= sizeof(int32_t);
4943
4944 if (all || n_status > 0 || n_signal > 0) {
4945 bool first = true;
4946
4947 if (!value) {
4948 fputs(name, stdout);
4949 fputc('=', stdout);
4950 }
4951
4952 for (i = 0; i < n_status; i++) {
4953 if (first)
4954 first = false;
4955 else
4956 fputc(' ', stdout);
4957
4958 printf("%"PRIi32, status[i]);
4959 }
4960
4961 for (i = 0; i < n_signal; i++) {
4962 const char *str;
4963
4964 str = signal_to_string((int) signal[i]);
4965
4966 if (first)
4967 first = false;
4968 else
4969 fputc(' ', stdout);
4970
4971 if (str)
4972 fputs(str, stdout);
4973 else
4974 printf("%"PRIi32, status[i]);
4975 }
4976
4977 fputc('\n', stdout);
4978 }
4979 return 1;
4980 }
4981
4982 break;
4983
4984 case SD_BUS_TYPE_ARRAY:
4985
4986 if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) {
4987 const char *path;
4988 int ignore;
4989
4990 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)");
4991 if (r < 0)
4992 return bus_log_parse_error(r);
4993
4994 while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0)
4995 bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore));
4996
4997 if (r < 0)
4998 return bus_log_parse_error(r);
4999
5000 r = sd_bus_message_exit_container(m);
5001 if (r < 0)
5002 return bus_log_parse_error(r);
5003
5004 return 1;
5005
5006 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) {
5007 const char *type, *path;
5008
5009 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5010 if (r < 0)
5011 return bus_log_parse_error(r);
5012
5013 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5014 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5015 if (r < 0)
5016 return bus_log_parse_error(r);
5017
5018 r = sd_bus_message_exit_container(m);
5019 if (r < 0)
5020 return bus_log_parse_error(r);
5021
5022 return 1;
5023
5024 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) {
5025 const char *type, *path;
5026
5027 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5028 if (r < 0)
5029 return bus_log_parse_error(r);
5030
5031 while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0)
5032 bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type);
5033 if (r < 0)
5034 return bus_log_parse_error(r);
5035
5036 r = sd_bus_message_exit_container(m);
5037 if (r < 0)
5038 return bus_log_parse_error(r);
5039
5040 return 1;
5041
5042 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) {
5043 const char *base;
5044 uint64_t v, next_elapse;
5045
5046 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)");
5047 if (r < 0)
5048 return bus_log_parse_error(r);
5049
5050 while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) {
5051 char timespan1[FORMAT_TIMESPAN_MAX] = "n/a", timespan2[FORMAT_TIMESPAN_MAX] = "n/a";
5052
5053 (void) format_timespan(timespan1, sizeof timespan1, v, 0);
5054 (void) format_timespan(timespan2, sizeof timespan2, next_elapse, 0);
5055
5056 bus_print_property_valuef(name, expected_value, value,
5057 "{ %s=%s ; next_elapse=%s }", base, timespan1, timespan2);
5058 }
5059 if (r < 0)
5060 return bus_log_parse_error(r);
5061
5062 r = sd_bus_message_exit_container(m);
5063 if (r < 0)
5064 return bus_log_parse_error(r);
5065
5066 return 1;
5067
5068 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) {
5069 const char *base, *spec;
5070 uint64_t next_elapse;
5071
5072 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)");
5073 if (r < 0)
5074 return bus_log_parse_error(r);
5075
5076 while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) {
5077 char timestamp[FORMAT_TIMESTAMP_MAX] = "n/a";
5078
5079 (void) format_timestamp(timestamp, sizeof(timestamp), next_elapse);
5080 bus_print_property_valuef(name, expected_value, value,
5081 "{ %s=%s ; next_elapse=%s }", base, spec, timestamp);
5082 }
5083 if (r < 0)
5084 return bus_log_parse_error(r);
5085
5086 r = sd_bus_message_exit_container(m);
5087 if (r < 0)
5088 return bus_log_parse_error(r);
5089
5090 return 1;
5091
5092 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) {
5093 ExecStatusInfo info = {};
5094 bool is_ex_prop = endswith(name, "Ex");
5095
5096 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, is_ex_prop ? "(sasasttttuii)" : "(sasbttttuii)");
5097 if (r < 0)
5098 return bus_log_parse_error(r);
5099
5100 while ((r = exec_status_info_deserialize(m, &info, is_ex_prop)) > 0) {
5101 char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX];
5102 _cleanup_strv_free_ char **optv = NULL;
5103 _cleanup_free_ char *tt, *o = NULL;
5104
5105 tt = strv_join(info.argv, " ");
5106
5107 if (is_ex_prop) {
5108 r = exec_command_flags_to_strv(info.flags, &optv);
5109 if (r < 0)
5110 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
5111
5112 o = strv_join(optv, " ");
5113
5114 bus_print_property_valuef(name, expected_value, value,
5115 "{ path=%s ; argv[]=%s ; flags=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5116 strna(info.path),
5117 strna(tt),
5118 strna(o),
5119 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5120 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5121 info.pid,
5122 sigchld_code_to_string(info.code),
5123 info.status,
5124 info.code == CLD_EXITED ? "" : "/",
5125 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5126 } else
5127 bus_print_property_valuef(name, expected_value, value,
5128 "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }",
5129 strna(info.path),
5130 strna(tt),
5131 yes_no(info.ignore),
5132 strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
5133 strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
5134 info.pid,
5135 sigchld_code_to_string(info.code),
5136 info.status,
5137 info.code == CLD_EXITED ? "" : "/",
5138 strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status)));
5139
5140 free(info.path);
5141 strv_free(info.argv);
5142 zero(info);
5143 }
5144
5145 r = sd_bus_message_exit_container(m);
5146 if (r < 0)
5147 return bus_log_parse_error(r);
5148
5149 return 1;
5150
5151 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) {
5152 const char *path, *rwm;
5153
5154 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5155 if (r < 0)
5156 return bus_log_parse_error(r);
5157
5158 while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0)
5159 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm));
5160 if (r < 0)
5161 return bus_log_parse_error(r);
5162
5163 r = sd_bus_message_exit_container(m);
5164 if (r < 0)
5165 return bus_log_parse_error(r);
5166
5167 return 1;
5168
5169 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5170 STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) {
5171 const char *path;
5172 uint64_t weight;
5173
5174 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5175 if (r < 0)
5176 return bus_log_parse_error(r);
5177
5178 while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0)
5179 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight);
5180 if (r < 0)
5181 return bus_log_parse_error(r);
5182
5183 r = sd_bus_message_exit_container(m);
5184 if (r < 0)
5185 return bus_log_parse_error(r);
5186
5187 return 1;
5188
5189 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5190 (cgroup_io_limit_type_from_string(name) >= 0 ||
5191 STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) {
5192 const char *path;
5193 uint64_t bandwidth;
5194
5195 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5196 if (r < 0)
5197 return bus_log_parse_error(r);
5198
5199 while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0)
5200 bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth);
5201 if (r < 0)
5202 return bus_log_parse_error(r);
5203
5204 r = sd_bus_message_exit_container(m);
5205 if (r < 0)
5206 return bus_log_parse_error(r);
5207
5208 return 1;
5209
5210 } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN &&
5211 streq(name, "IODeviceLatencyTargetUSec")) {
5212 char ts[FORMAT_TIMESPAN_MAX];
5213 const char *path;
5214 uint64_t target;
5215
5216 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)");
5217 if (r < 0)
5218 return bus_log_parse_error(r);
5219
5220 while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0)
5221 bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path),
5222 format_timespan(ts, sizeof(ts), target, 1));
5223 if (r < 0)
5224 return bus_log_parse_error(r);
5225
5226 r = sd_bus_message_exit_container(m);
5227 if (r < 0)
5228 return bus_log_parse_error(r);
5229
5230 return 1;
5231
5232 } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) {
5233 _cleanup_free_ char *h = NULL;
5234 const void *p;
5235 size_t sz;
5236 ssize_t n;
5237
5238 r = sd_bus_message_read_array(m, 'y', &p, &sz);
5239 if (r < 0)
5240 return bus_log_parse_error(r);
5241
5242 n = base64mem(p, sz, &h);
5243 if (n < 0)
5244 return log_oom();
5245
5246 bus_print_property_value(name, expected_value, value, h);
5247
5248 return 1;
5249
5250 } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) {
5251 _cleanup_free_ char *addresses = NULL;
5252
5253 r = sd_bus_message_enter_container(m, 'a', "(iayu)");
5254 if (r < 0)
5255 return bus_log_parse_error(r);
5256
5257 for (;;) {
5258 _cleanup_free_ char *str = NULL;
5259 uint32_t prefixlen;
5260 int32_t family;
5261 const void *ap;
5262 size_t an;
5263
5264 r = sd_bus_message_enter_container(m, 'r', "iayu");
5265 if (r < 0)
5266 return bus_log_parse_error(r);
5267 if (r == 0)
5268 break;
5269
5270 r = sd_bus_message_read(m, "i", &family);
5271 if (r < 0)
5272 return bus_log_parse_error(r);
5273
5274 r = sd_bus_message_read_array(m, 'y', &ap, &an);
5275 if (r < 0)
5276 return bus_log_parse_error(r);
5277
5278 r = sd_bus_message_read(m, "u", &prefixlen);
5279 if (r < 0)
5280 return bus_log_parse_error(r);
5281
5282 r = sd_bus_message_exit_container(m);
5283 if (r < 0)
5284 return bus_log_parse_error(r);
5285
5286 if (!IN_SET(family, AF_INET, AF_INET6))
5287 continue;
5288
5289 if (an != FAMILY_ADDRESS_SIZE(family))
5290 continue;
5291
5292 if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8)
5293 continue;
5294
5295 if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0)
5296 continue;
5297
5298 if (!strextend_with_separator(&addresses, " ", str, NULL))
5299 return log_oom();
5300 }
5301
5302 r = sd_bus_message_exit_container(m);
5303 if (r < 0)
5304 return bus_log_parse_error(r);
5305
5306 if (all || !isempty(addresses))
5307 bus_print_property_value(name, expected_value, value, strempty(addresses));
5308
5309 return 1;
5310
5311 } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) {
5312 _cleanup_free_ char *paths = NULL;
5313 const char *source, *dest;
5314 int ignore_enoent;
5315 uint64_t rbind;
5316
5317 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)");
5318 if (r < 0)
5319 return bus_log_parse_error(r);
5320
5321 while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) {
5322 _cleanup_free_ char *str = NULL;
5323
5324 if (isempty(source))
5325 continue;
5326
5327 if (asprintf(&str, "%s%s%s%s%s",
5328 ignore_enoent ? "-" : "",
5329 source,
5330 isempty(dest) ? "" : ":",
5331 strempty(dest),
5332 rbind == MS_REC ? ":rbind" : "") < 0)
5333 return log_oom();
5334
5335 if (!strextend_with_separator(&paths, " ", str, NULL))
5336 return log_oom();
5337 }
5338 if (r < 0)
5339 return bus_log_parse_error(r);
5340
5341 r = sd_bus_message_exit_container(m);
5342 if (r < 0)
5343 return bus_log_parse_error(r);
5344
5345 if (all || !isempty(paths))
5346 bus_print_property_value(name, expected_value, value, strempty(paths));
5347
5348 return 1;
5349
5350 } else if (streq(name, "TemporaryFileSystem")) {
5351 _cleanup_free_ char *paths = NULL;
5352 const char *target, *option;
5353
5354 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)");
5355 if (r < 0)
5356 return bus_log_parse_error(r);
5357
5358 while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) {
5359 _cleanup_free_ char *str = NULL;
5360
5361 if (isempty(target))
5362 continue;
5363
5364 if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0)
5365 return log_oom();
5366
5367 if (!strextend_with_separator(&paths, " ", str, NULL))
5368 return log_oom();
5369 }
5370 if (r < 0)
5371 return bus_log_parse_error(r);
5372
5373 r = sd_bus_message_exit_container(m);
5374 if (r < 0)
5375 return bus_log_parse_error(r);
5376
5377 if (all || !isempty(paths))
5378 bus_print_property_value(name, expected_value, value, strempty(paths));
5379
5380 return 1;
5381
5382 } else if (streq(name, "LogExtraFields")) {
5383 _cleanup_free_ char *fields = NULL;
5384 const void *p;
5385 size_t sz;
5386
5387 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay");
5388 if (r < 0)
5389 return bus_log_parse_error(r);
5390
5391 while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) {
5392 _cleanup_free_ char *str = NULL;
5393 const char *eq;
5394
5395 if (memchr(p, 0, sz))
5396 continue;
5397
5398 eq = memchr(p, '=', sz);
5399 if (!eq)
5400 continue;
5401
5402 if (!journal_field_valid(p, eq - (const char*) p, false))
5403 continue;
5404
5405 str = malloc(sz + 1);
5406 if (!str)
5407 return log_oom();
5408
5409 memcpy(str, p, sz);
5410 str[sz] = '\0';
5411
5412 if (!utf8_is_valid(str))
5413 continue;
5414
5415 if (!strextend_with_separator(&fields, " ", str, NULL))
5416 return log_oom();
5417 }
5418 if (r < 0)
5419 return bus_log_parse_error(r);
5420
5421 r = sd_bus_message_exit_container(m);
5422 if (r < 0)
5423 return bus_log_parse_error(r);
5424
5425 if (all || !isempty(fields))
5426 bus_print_property_value(name, expected_value, value, strempty(fields));
5427
5428 return 1;
5429 } else if (contents[0] == SD_BUS_TYPE_BYTE && STR_IN_SET(name, "CPUAffinity", "NUMAMask", "AllowedCPUs", "AllowedMemoryNodes", "EffectiveCPUs", "EffectiveMemoryNodes")) {
5430 _cleanup_free_ char *affinity = NULL;
5431 _cleanup_(cpu_set_reset) CPUSet set = {};
5432 const void *a;
5433 size_t n;
5434
5435 r = sd_bus_message_read_array(m, 'y', &a, &n);
5436 if (r < 0)
5437 return bus_log_parse_error(r);
5438
5439 r = cpu_set_from_dbus(a, n, &set);
5440 if (r < 0)
5441 return log_error_errno(r, "Failed to deserialize %s: %m", name);
5442
5443 affinity = cpu_set_to_range_string(&set);
5444 if (!affinity)
5445 return log_oom();
5446
5447 bus_print_property_value(name, expected_value, value, affinity);
5448
5449 return 1;
5450 }
5451
5452 break;
5453 }
5454
5455 return 0;
5456 }
5457
5458 typedef enum SystemctlShowMode{
5459 SYSTEMCTL_SHOW_PROPERTIES,
5460 SYSTEMCTL_SHOW_STATUS,
5461 SYSTEMCTL_SHOW_HELP,
5462 _SYSTEMCTL_SHOW_MODE_MAX,
5463 _SYSTEMCTL_SHOW_MODE_INVALID = -1,
5464 } SystemctlShowMode;
5465
5466 static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = {
5467 [SYSTEMCTL_SHOW_PROPERTIES] = "show",
5468 [SYSTEMCTL_SHOW_STATUS] = "status",
5469 [SYSTEMCTL_SHOW_HELP] = "help",
5470 };
5471
5472 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode);
5473
5474 static int show_one(
5475 sd_bus *bus,
5476 const char *path,
5477 const char *unit,
5478 SystemctlShowMode show_mode,
5479 bool *new_line,
5480 bool *ellipsized) {
5481
5482 static const struct bus_properties_map property_map[] = {
5483 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5484 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5485 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5486 {}
5487 }, status_map[] = {
5488 { "Id", "s", NULL, offsetof(UnitStatusInfo, id) },
5489 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
5490 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) },
5491 { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) },
5492 { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) },
5493 { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) },
5494 { "Description", "s", NULL, offsetof(UnitStatusInfo, description) },
5495 { "Following", "s", NULL, offsetof(UnitStatusInfo, following) },
5496 { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) },
5497 { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) },
5498 { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) },
5499 { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) },
5500 { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) },
5501 { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) },
5502 { "Result", "s", NULL, offsetof(UnitStatusInfo, result) },
5503 { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) },
5504 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) },
5505 { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) },
5506 { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) },
5507 { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) },
5508 { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) },
5509 { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) },
5510 { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) },
5511 { "MainPID", "u", map_main_pid, 0 },
5512 { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) },
5513 { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) },
5514 { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) },
5515 { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) },
5516 { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) },
5517 { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) },
5518 { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) },
5519 { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) },
5520 { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) },
5521 { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) },
5522 { "Conditions", "a(sbbsi)", map_conditions, 0 },
5523 { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) },
5524 { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) },
5525 { "Asserts", "a(sbbsi)", map_asserts, 0 },
5526 { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) },
5527 { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) },
5528 { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) },
5529 { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) },
5530 { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) },
5531 { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) },
5532 { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) },
5533 { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) },
5534 { "Where", "s", NULL, offsetof(UnitStatusInfo, where) },
5535 { "What", "s", NULL, offsetof(UnitStatusInfo, what) },
5536 { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) },
5537 { "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
5538 { "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
5539 { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) },
5540 { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) },
5541 { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
5542 { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
5543 { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
5544 { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
5545 { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
5546 { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
5547 { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
5548 { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
5549 { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
5550 { "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
5551 { "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
5552 { "ExecCondition", "a(sasbttttuii)", map_exec, 0 },
5553 { "ExecConditionEx", "a(sasasttttuii)", map_exec, 0 },
5554 { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
5555 { "ExecStartPreEx", "a(sasasttttuii)", map_exec, 0 },
5556 { "ExecStart", "a(sasbttttuii)", map_exec, 0 },
5557 { "ExecStartEx", "a(sasasttttuii)", map_exec, 0 },
5558 { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
5559 { "ExecStartPostEx", "a(sasasttttuii)", map_exec, 0 },
5560 { "ExecReload", "a(sasbttttuii)", map_exec, 0 },
5561 { "ExecReloadEx", "a(sasasttttuii)", map_exec, 0 },
5562 { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 },
5563 { "ExecStop", "a(sasbttttuii)", map_exec, 0 },
5564 { "ExecStopEx", "a(sasasttttuii)", map_exec, 0 },
5565 { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 },
5566 { "ExecStopPostEx", "a(sasasttttuii)", map_exec, 0 },
5567 {}
5568 };
5569
5570 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5571 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5572 _cleanup_set_free_ Set *found_properties = NULL;
5573 _cleanup_(unit_status_info_free) UnitStatusInfo info = {
5574 .memory_current = (uint64_t) -1,
5575 .memory_high = CGROUP_LIMIT_MAX,
5576 .memory_max = CGROUP_LIMIT_MAX,
5577 .memory_swap_max = CGROUP_LIMIT_MAX,
5578 .memory_limit = (uint64_t) -1,
5579 .cpu_usage_nsec = (uint64_t) -1,
5580 .tasks_current = (uint64_t) -1,
5581 .tasks_max = (uint64_t) -1,
5582 .ip_ingress_bytes = (uint64_t) -1,
5583 .ip_egress_bytes = (uint64_t) -1,
5584 .io_read_bytes = UINT64_MAX,
5585 .io_write_bytes = UINT64_MAX,
5586 };
5587 char **pp;
5588 int r;
5589
5590 assert(path);
5591 assert(new_line);
5592
5593 log_debug("Showing one %s", path);
5594
5595 r = bus_map_all_properties(
5596 bus,
5597 "org.freedesktop.systemd1",
5598 path,
5599 show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map,
5600 BUS_MAP_BOOLEAN_AS_BOOL,
5601 &error,
5602 &reply,
5603 &info);
5604 if (r < 0)
5605 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
5606
5607 if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) {
5608 log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG,
5609 "Unit %s could not be found.", unit);
5610
5611 if (show_mode == SYSTEMCTL_SHOW_STATUS)
5612 return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN;
5613 else if (show_mode == SYSTEMCTL_SHOW_HELP)
5614 return -ENOENT;
5615 }
5616
5617 if (*new_line)
5618 printf("\n");
5619
5620 *new_line = true;
5621
5622 if (show_mode == SYSTEMCTL_SHOW_STATUS) {
5623 print_status_info(bus, &info, ellipsized);
5624
5625 if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading"))
5626 return EXIT_PROGRAM_NOT_RUNNING;
5627
5628 return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK;
5629
5630 } else if (show_mode == SYSTEMCTL_SHOW_HELP) {
5631 show_unit_help(&info);
5632 return 0;
5633 }
5634
5635 r = sd_bus_message_rewind(reply, true);
5636 if (r < 0)
5637 return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r));
5638
5639 r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties);
5640 if (r < 0)
5641 return bus_log_parse_error(r);
5642
5643 STRV_FOREACH(pp, arg_properties)
5644 if (!set_contains(found_properties, *pp))
5645 log_debug("Property %s does not exist.", *pp);
5646
5647 return 0;
5648 }
5649
5650 static int get_unit_dbus_path_by_pid(
5651 sd_bus *bus,
5652 uint32_t pid,
5653 char **unit) {
5654
5655 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5656 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5657 char *u;
5658 int r;
5659
5660 r = sd_bus_call_method(
5661 bus,
5662 "org.freedesktop.systemd1",
5663 "/org/freedesktop/systemd1",
5664 "org.freedesktop.systemd1.Manager",
5665 "GetUnitByPID",
5666 &error,
5667 &reply,
5668 "u", pid);
5669 if (r < 0)
5670 return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r));
5671
5672 r = sd_bus_message_read(reply, "o", &u);
5673 if (r < 0)
5674 return bus_log_parse_error(r);
5675
5676 u = strdup(u);
5677 if (!u)
5678 return log_oom();
5679
5680 *unit = u;
5681 return 0;
5682 }
5683
5684 static int show_all(
5685 sd_bus *bus,
5686 bool *new_line,
5687 bool *ellipsized) {
5688
5689 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
5690 _cleanup_free_ UnitInfo *unit_infos = NULL;
5691 const UnitInfo *u;
5692 unsigned c;
5693 int r, ret = 0;
5694
5695 r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply);
5696 if (r < 0)
5697 return r;
5698
5699 (void) pager_open(arg_pager_flags);
5700
5701 c = (unsigned) r;
5702
5703 typesafe_qsort(unit_infos, c, compare_unit_info);
5704
5705 for (u = unit_infos; u < unit_infos + c; u++) {
5706 _cleanup_free_ char *p = NULL;
5707
5708 p = unit_dbus_path_from_name(u->id);
5709 if (!p)
5710 return log_oom();
5711
5712 r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized);
5713 if (r < 0)
5714 return r;
5715 else if (r > 0 && ret == 0)
5716 ret = r;
5717 }
5718
5719 return ret;
5720 }
5721
5722 static int show_system_status(sd_bus *bus) {
5723 char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX];
5724 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5725 _cleanup_(machine_info_clear) struct machine_info mi = {};
5726 _cleanup_free_ char *hn = NULL;
5727 const char *on, *off;
5728 int r;
5729
5730 hn = gethostname_malloc();
5731 if (!hn)
5732 return log_oom();
5733
5734 r = bus_map_all_properties(
5735 bus,
5736 "org.freedesktop.systemd1",
5737 "/org/freedesktop/systemd1",
5738 machine_info_property_map,
5739 BUS_MAP_STRDUP,
5740 &error,
5741 NULL,
5742 &mi);
5743 if (r < 0)
5744 return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r));
5745
5746 if (streq_ptr(mi.state, "degraded")) {
5747 on = ansi_highlight_red();
5748 off = ansi_normal();
5749 } else if (streq_ptr(mi.state, "running")) {
5750 on = ansi_highlight_green();
5751 off = ansi_normal();
5752 } else {
5753 on = ansi_highlight_yellow();
5754 off = ansi_normal();
5755 }
5756
5757 printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
5758
5759 printf(" State: %s%s%s\n",
5760 on, strna(mi.state), off);
5761
5762 printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs);
5763 printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units);
5764
5765 printf(" Since: %s; %s\n",
5766 format_timestamp(since2, sizeof(since2), mi.timestamp),
5767 format_timestamp_relative(since1, sizeof(since1), mi.timestamp));
5768
5769 printf(" CGroup: %s\n", mi.control_group ?: "/");
5770 if (IN_SET(arg_transport,
5771 BUS_TRANSPORT_LOCAL,
5772 BUS_TRANSPORT_MACHINE)) {
5773 static const char prefix[] = " ";
5774 unsigned c;
5775
5776 c = columns();
5777 if (c > sizeof(prefix) - 1)
5778 c -= sizeof(prefix) - 1;
5779 else
5780 c = 0;
5781
5782 show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags());
5783 }
5784
5785 return 0;
5786 }
5787
5788 static int show(int argc, char *argv[], void *userdata) {
5789 bool new_line = false, ellipsized = false;
5790 SystemctlShowMode show_mode;
5791 int r, ret = 0;
5792 sd_bus *bus;
5793
5794 assert(argv);
5795
5796 show_mode = systemctl_show_mode_from_string(argv[0]);
5797 if (show_mode < 0)
5798 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5799 "Invalid argument.");
5800
5801 if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1)
5802 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
5803 "This command expects one or more unit names. Did you mean --help?");
5804
5805 r = acquire_bus(BUS_MANAGER, &bus);
5806 if (r < 0)
5807 return r;
5808
5809 (void) pager_open(arg_pager_flags);
5810
5811 /* If no argument is specified inspect the manager itself */
5812 if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1)
5813 return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized);
5814
5815 if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) {
5816
5817 show_system_status(bus);
5818 new_line = true;
5819
5820 if (arg_all)
5821 ret = show_all(bus, &new_line, &ellipsized);
5822 } else {
5823 _cleanup_free_ char **patterns = NULL;
5824 char **name;
5825
5826 STRV_FOREACH(name, strv_skip(argv, 1)) {
5827 _cleanup_free_ char *path = NULL, *unit = NULL;
5828 uint32_t id;
5829
5830 if (safe_atou32(*name, &id) < 0) {
5831 if (strv_push(&patterns, *name) < 0)
5832 return log_oom();
5833
5834 continue;
5835 } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) {
5836 /* Interpret as job id */
5837 if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0)
5838 return log_oom();
5839
5840 } else {
5841 /* Interpret as PID */
5842 r = get_unit_dbus_path_by_pid(bus, id, &path);
5843 if (r < 0) {
5844 ret = r;
5845 continue;
5846 }
5847
5848 r = unit_name_from_dbus_path(path, &unit);
5849 if (r < 0)
5850 return log_oom();
5851 }
5852
5853 r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized);
5854 if (r < 0)
5855 return r;
5856 else if (r > 0 && ret == 0)
5857 ret = r;
5858 }
5859
5860 if (!strv_isempty(patterns)) {
5861 _cleanup_strv_free_ char **names = NULL;
5862
5863 r = expand_names(bus, patterns, NULL, &names);
5864 if (r < 0)
5865 return log_error_errno(r, "Failed to expand names: %m");
5866
5867 STRV_FOREACH(name, names) {
5868 _cleanup_free_ char *path;
5869
5870 path = unit_dbus_path_from_name(*name);
5871 if (!path)
5872 return log_oom();
5873
5874 r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized);
5875 if (r < 0)
5876 return r;
5877 if (r > 0 && ret == 0)
5878 ret = r;
5879 }
5880 }
5881 }
5882
5883 if (ellipsized && !arg_quiet)
5884 printf("Hint: Some lines were ellipsized, use -l to show in full.\n");
5885
5886 return ret;
5887 }
5888
5889 static int cat(int argc, char *argv[], void *userdata) {
5890 _cleanup_(lookup_paths_free) LookupPaths lp = {};
5891 _cleanup_strv_free_ char **names = NULL;
5892 char **name;
5893 sd_bus *bus;
5894 bool first = true;
5895 int r;
5896
5897 /* Include all units by default — i.e. continue as if the --all
5898 * option was used */
5899 if (strv_isempty(arg_states))
5900 arg_all = true;
5901
5902 if (arg_transport != BUS_TRANSPORT_LOCAL)
5903 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units.");
5904
5905 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
5906 if (r < 0)
5907 return log_error_errno(r, "Failed to determine unit paths: %m");
5908
5909 r = acquire_bus(BUS_MANAGER, &bus);
5910 if (r < 0)
5911 return r;
5912
5913 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
5914 if (r < 0)
5915 return log_error_errno(r, "Failed to expand names: %m");
5916
5917 (void) pager_open(arg_pager_flags);
5918
5919 STRV_FOREACH(name, names) {
5920 _cleanup_free_ char *fragment_path = NULL;
5921 _cleanup_strv_free_ char **dropin_paths = NULL;
5922
5923 r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths);
5924 if (r == -ERFKILL) {
5925 printf("%s# Unit %s is masked%s.\n",
5926 ansi_highlight_magenta(),
5927 *name,
5928 ansi_normal());
5929 continue;
5930 }
5931 if (r == -EKEYREJECTED) {
5932 printf("%s# Unit %s could not be loaded.%s\n",
5933 ansi_highlight_magenta(),
5934 *name,
5935 ansi_normal());
5936 continue;
5937 }
5938 if (r < 0)
5939 return r;
5940 if (r == 0)
5941 return -ENOENT;
5942
5943 if (first)
5944 first = false;
5945 else
5946 puts("");
5947
5948 if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */
5949 fprintf(stderr,
5950 "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n"
5951 "%s# This output shows the current version of the unit's original fragment and drop-in files.\n"
5952 "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n"
5953 "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n",
5954 ansi_highlight_red(),
5955 *name,
5956 ansi_highlight_red(),
5957 ansi_highlight_red(),
5958 ansi_highlight_red(),
5959 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user",
5960 ansi_normal());
5961
5962 r = cat_files(fragment_path, dropin_paths, 0);
5963 if (r < 0)
5964 return r;
5965 }
5966
5967 return 0;
5968 }
5969
5970 static int set_property(int argc, char *argv[], void *userdata) {
5971 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
5972 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
5973 _cleanup_free_ char *n = NULL;
5974 UnitType t;
5975 sd_bus *bus;
5976 int r;
5977
5978 r = acquire_bus(BUS_MANAGER, &bus);
5979 if (r < 0)
5980 return r;
5981
5982 polkit_agent_open_maybe();
5983
5984 r = sd_bus_message_new_method_call(
5985 bus,
5986 &m,
5987 "org.freedesktop.systemd1",
5988 "/org/freedesktop/systemd1",
5989 "org.freedesktop.systemd1.Manager",
5990 "SetUnitProperties");
5991 if (r < 0)
5992 return bus_log_create_error(r);
5993
5994 r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
5995 if (r < 0)
5996 return log_error_errno(r, "Failed to mangle unit name: %m");
5997
5998 t = unit_name_to_type(n);
5999 if (t < 0)
6000 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n);
6001
6002 r = sd_bus_message_append(m, "sb", n, arg_runtime);
6003 if (r < 0)
6004 return bus_log_create_error(r);
6005
6006 r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)");
6007 if (r < 0)
6008 return bus_log_create_error(r);
6009
6010 r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2));
6011 if (r < 0)
6012 return r;
6013
6014 r = sd_bus_message_close_container(m);
6015 if (r < 0)
6016 return bus_log_create_error(r);
6017
6018 r = sd_bus_call(bus, m, 0, &error, NULL);
6019 if (r < 0)
6020 return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r));
6021
6022 return 0;
6023 }
6024
6025 static int daemon_reload(int argc, char *argv[], void *userdata) {
6026 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6027 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6028 const char *method;
6029 sd_bus *bus;
6030 int r;
6031
6032 r = acquire_bus(BUS_MANAGER, &bus);
6033 if (r < 0)
6034 return r;
6035
6036 polkit_agent_open_maybe();
6037
6038 switch (arg_action) {
6039
6040 case ACTION_RELOAD:
6041 method = "Reload";
6042 break;
6043
6044 case ACTION_REEXEC:
6045 method = "Reexecute";
6046 break;
6047
6048 case ACTION_SYSTEMCTL:
6049 method = streq(argv[0], "daemon-reexec") ? "Reexecute" :
6050 /* "daemon-reload" */ "Reload";
6051 break;
6052
6053 default:
6054 assert_not_reached("Unexpected action");
6055 }
6056
6057 r = sd_bus_message_new_method_call(
6058 bus,
6059 &m,
6060 "org.freedesktop.systemd1",
6061 "/org/freedesktop/systemd1",
6062 "org.freedesktop.systemd1.Manager",
6063 method);
6064 if (r < 0)
6065 return bus_log_create_error(r);
6066
6067 /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which
6068 * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have
6069 * their timeout, and for everything else there's the same time budget in place. */
6070
6071 r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL);
6072
6073 /* On reexecution, we expect a disconnect, not a reply */
6074 if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute"))
6075 r = 0;
6076
6077 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6078 return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r));
6079
6080 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6081 * old ways of doing things, hence don't log any error in that case here. */
6082
6083 return r < 0 ? r : 0;
6084 }
6085
6086 static int trivial_method(int argc, char *argv[], void *userdata) {
6087 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6088 const char *method;
6089 sd_bus *bus;
6090 int r;
6091
6092 if (arg_dry_run)
6093 return 0;
6094
6095 r = acquire_bus(BUS_MANAGER, &bus);
6096 if (r < 0)
6097 return r;
6098
6099 polkit_agent_open_maybe();
6100
6101 method =
6102 streq(argv[0], "clear-jobs") ||
6103 streq(argv[0], "cancel") ? "ClearJobs" :
6104 streq(argv[0], "reset-failed") ? "ResetFailed" :
6105 streq(argv[0], "halt") ? "Halt" :
6106 streq(argv[0], "reboot") ? "Reboot" :
6107 streq(argv[0], "kexec") ? "KExec" :
6108 streq(argv[0], "exit") ? "Exit" :
6109 /* poweroff */ "PowerOff";
6110
6111 r = sd_bus_call_method(
6112 bus,
6113 "org.freedesktop.systemd1",
6114 "/org/freedesktop/systemd1",
6115 "org.freedesktop.systemd1.Manager",
6116 method,
6117 &error,
6118 NULL,
6119 NULL);
6120 if (r < 0 && arg_action == ACTION_SYSTEMCTL)
6121 return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r));
6122
6123 /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the
6124 * old ways of doing things, hence don't log any error in that case here. */
6125
6126 return r < 0 ? r : 0;
6127 }
6128
6129 static int reset_failed(int argc, char *argv[], void *userdata) {
6130 _cleanup_strv_free_ char **names = NULL;
6131 sd_bus *bus;
6132 char **name;
6133 int r, q;
6134
6135 if (argc <= 1)
6136 return trivial_method(argc, argv, userdata);
6137
6138 r = acquire_bus(BUS_MANAGER, &bus);
6139 if (r < 0)
6140 return r;
6141
6142 polkit_agent_open_maybe();
6143
6144 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
6145 if (r < 0)
6146 return log_error_errno(r, "Failed to expand names: %m");
6147
6148 STRV_FOREACH(name, names) {
6149 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6150
6151 q = sd_bus_call_method(
6152 bus,
6153 "org.freedesktop.systemd1",
6154 "/org/freedesktop/systemd1",
6155 "org.freedesktop.systemd1.Manager",
6156 "ResetFailedUnit",
6157 &error,
6158 NULL,
6159 "s", *name);
6160 if (q < 0) {
6161 log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q));
6162 if (r == 0)
6163 r = q;
6164 }
6165 }
6166
6167 return r;
6168 }
6169
6170 static int print_variable(const char *s) {
6171 const char *sep;
6172 _cleanup_free_ char *esc = NULL;
6173
6174 sep = strchr(s, '=');
6175 if (!sep)
6176 return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN),
6177 "Invalid environment block");
6178
6179 esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX);
6180 if (!esc)
6181 return log_oom();
6182
6183 printf("%.*s=%s\n", (int)(sep-s), s, esc);
6184 return 0;
6185 }
6186
6187 static int show_environment(int argc, char *argv[], void *userdata) {
6188 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6189 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6190 const char *text;
6191 sd_bus *bus;
6192 int r;
6193
6194 r = acquire_bus(BUS_MANAGER, &bus);
6195 if (r < 0)
6196 return r;
6197
6198 (void) pager_open(arg_pager_flags);
6199
6200 r = sd_bus_get_property(
6201 bus,
6202 "org.freedesktop.systemd1",
6203 "/org/freedesktop/systemd1",
6204 "org.freedesktop.systemd1.Manager",
6205 "Environment",
6206 &error,
6207 &reply,
6208 "as");
6209 if (r < 0)
6210 return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r));
6211
6212 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
6213 if (r < 0)
6214 return bus_log_parse_error(r);
6215
6216 while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) {
6217 r = print_variable(text);
6218 if (r < 0)
6219 return r;
6220 }
6221 if (r < 0)
6222 return bus_log_parse_error(r);
6223
6224 r = sd_bus_message_exit_container(reply);
6225 if (r < 0)
6226 return bus_log_parse_error(r);
6227
6228 return 0;
6229 }
6230
6231 static int switch_root(int argc, char *argv[], void *userdata) {
6232 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6233 _cleanup_free_ char *cmdline_init = NULL;
6234 const char *root, *init;
6235 sd_bus *bus;
6236 int r;
6237
6238 if (arg_transport != BUS_TRANSPORT_LOCAL)
6239 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely.");
6240
6241 if (argc < 2 || argc > 3)
6242 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments.");
6243
6244 root = argv[1];
6245
6246 if (argc >= 3)
6247 init = argv[2];
6248 else {
6249 r = proc_cmdline_get_key("init", 0, &cmdline_init);
6250 if (r < 0)
6251 log_debug_errno(r, "Failed to parse /proc/cmdline: %m");
6252
6253 init = cmdline_init;
6254 }
6255
6256 init = empty_to_null(init);
6257 if (init) {
6258 const char *root_systemd_path = NULL, *root_init_path = NULL;
6259
6260 root_systemd_path = prefix_roota(root, "/" SYSTEMD_BINARY_PATH);
6261 root_init_path = prefix_roota(root, init);
6262
6263 /* If the passed init is actually the same as the
6264 * systemd binary, then let's suppress it. */
6265 if (files_same(root_init_path, root_systemd_path, 0) > 0)
6266 init = NULL;
6267 }
6268
6269 /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we
6270 * would exit with a failure status even though the switch to the new root has succeed. */
6271 assert(saved_argv);
6272 assert(saved_argv[0]);
6273 saved_argv[0][0] = '@';
6274
6275 r = acquire_bus(BUS_MANAGER, &bus);
6276 if (r < 0)
6277 return r;
6278
6279 /* If we are slow to exit after the root switch, the new systemd instance
6280 * will send us a signal to terminate. Just ignore it and exit normally.
6281 * This way the unit does not end up as failed.
6282 */
6283 r = ignore_signals(SIGTERM, -1);
6284 if (r < 0)
6285 log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
6286
6287 log_debug("Switching root - root: %s; init: %s", root, strna(init));
6288
6289 r = sd_bus_call_method(
6290 bus,
6291 "org.freedesktop.systemd1",
6292 "/org/freedesktop/systemd1",
6293 "org.freedesktop.systemd1.Manager",
6294 "SwitchRoot",
6295 &error,
6296 NULL,
6297 "ss", root, init);
6298 if (r < 0) {
6299 (void) default_signals(SIGTERM, -1);
6300
6301 return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r));
6302 }
6303
6304 return 0;
6305 }
6306
6307 static int set_environment(int argc, char *argv[], void *userdata) {
6308 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6309 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6310 const char *method;
6311 sd_bus *bus;
6312 int r;
6313
6314 assert(argc > 1);
6315 assert(argv);
6316
6317 r = acquire_bus(BUS_MANAGER, &bus);
6318 if (r < 0)
6319 return r;
6320
6321 polkit_agent_open_maybe();
6322
6323 method = streq(argv[0], "set-environment")
6324 ? "SetEnvironment"
6325 : "UnsetEnvironment";
6326
6327 r = sd_bus_message_new_method_call(
6328 bus,
6329 &m,
6330 "org.freedesktop.systemd1",
6331 "/org/freedesktop/systemd1",
6332 "org.freedesktop.systemd1.Manager",
6333 method);
6334 if (r < 0)
6335 return bus_log_create_error(r);
6336
6337 r = sd_bus_message_append_strv(m, strv_skip(argv, 1));
6338 if (r < 0)
6339 return bus_log_create_error(r);
6340
6341 r = sd_bus_call(bus, m, 0, &error, NULL);
6342 if (r < 0)
6343 return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r));
6344
6345 return 0;
6346 }
6347
6348 static int import_environment(int argc, char *argv[], void *userdata) {
6349 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6350 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6351 sd_bus *bus;
6352 int r;
6353
6354 r = acquire_bus(BUS_MANAGER, &bus);
6355 if (r < 0)
6356 return r;
6357
6358 polkit_agent_open_maybe();
6359
6360 r = sd_bus_message_new_method_call(
6361 bus,
6362 &m,
6363 "org.freedesktop.systemd1",
6364 "/org/freedesktop/systemd1",
6365 "org.freedesktop.systemd1.Manager",
6366 "SetEnvironment");
6367 if (r < 0)
6368 return bus_log_create_error(r);
6369
6370 if (argc < 2)
6371 r = sd_bus_message_append_strv(m, environ);
6372 else {
6373 char **a, **b;
6374
6375 r = sd_bus_message_open_container(m, 'a', "s");
6376 if (r < 0)
6377 return bus_log_create_error(r);
6378
6379 STRV_FOREACH(a, strv_skip(argv, 1)) {
6380
6381 if (!env_name_is_valid(*a))
6382 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a);
6383
6384 STRV_FOREACH(b, environ) {
6385 const char *eq;
6386
6387 eq = startswith(*b, *a);
6388 if (eq && *eq == '=') {
6389
6390 r = sd_bus_message_append(m, "s", *b);
6391 if (r < 0)
6392 return bus_log_create_error(r);
6393
6394 break;
6395 }
6396 }
6397 }
6398
6399 r = sd_bus_message_close_container(m);
6400 }
6401 if (r < 0)
6402 return bus_log_create_error(r);
6403
6404 r = sd_bus_call(bus, m, 0, &error, NULL);
6405 if (r < 0)
6406 return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r));
6407
6408 return 0;
6409 }
6410
6411 static int enable_sysv_units(const char *verb, char **args) {
6412 int r = 0;
6413
6414 #if HAVE_SYSV_COMPAT
6415 _cleanup_(lookup_paths_free) LookupPaths paths = {};
6416 unsigned f = 0;
6417
6418 /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */
6419
6420 if (arg_scope != UNIT_FILE_SYSTEM)
6421 return 0;
6422
6423 if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0)
6424 return 0;
6425
6426 if (!STR_IN_SET(verb,
6427 "enable",
6428 "disable",
6429 "is-enabled"))
6430 return 0;
6431
6432 r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root);
6433 if (r < 0)
6434 return r;
6435
6436 r = 0;
6437 while (args[f]) {
6438
6439 const char *argv[] = {
6440 ROOTLIBEXECDIR "/systemd-sysv-install",
6441 NULL, /* --root= */
6442 NULL, /* verb */
6443 NULL, /* service */
6444 NULL,
6445 };
6446
6447 _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL;
6448 bool found_native = false, found_sysv;
6449 const char *name;
6450 unsigned c = 1;
6451 pid_t pid;
6452 int j;
6453
6454 name = args[f++];
6455
6456 if (!endswith(name, ".service"))
6457 continue;
6458
6459 if (path_is_absolute(name))
6460 continue;
6461
6462 j = unit_file_exists(arg_scope, &paths, name);
6463 if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL))
6464 return log_error_errno(j, "Failed to lookup unit file state: %m");
6465 found_native = j != 0;
6466
6467 /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled,
6468 * prefer the native unit */
6469 if (found_native && streq(verb, "is-enabled"))
6470 continue;
6471
6472 p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name);
6473 if (!p)
6474 return log_oom();
6475
6476 p[strlen(p) - STRLEN(".service")] = 0;
6477 found_sysv = access(p, F_OK) >= 0;
6478 if (!found_sysv)
6479 continue;
6480
6481 if (!arg_quiet) {
6482 if (found_native)
6483 log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]);
6484 else
6485 log_info("%s is not a native service, redirecting to systemd-sysv-install.", name);
6486 }
6487
6488 if (!isempty(arg_root)) {
6489 q = strjoin("--root=", arg_root);
6490 if (!q)
6491 return log_oom();
6492
6493 argv[c++] = q;
6494 }
6495
6496 /* Let's copy the verb, since it's still pointing directly into the original argv[] array we
6497 * got passed, but safe_fork() is likely going to rewrite that for the new child */
6498 v = strdup(verb);
6499 if (!v)
6500 return log_oom();
6501
6502 argv[c++] = v;
6503 argv[c++] = basename(p);
6504 argv[c] = NULL;
6505
6506 l = strv_join((char**)argv, " ");
6507 if (!l)
6508 return log_oom();
6509
6510 if (!arg_quiet)
6511 log_info("Executing: %s", l);
6512
6513 j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid);
6514 if (j < 0)
6515 return j;
6516 if (j == 0) {
6517 /* Child */
6518 execv(argv[0], (char**) argv);
6519 log_error_errno(errno, "Failed to execute %s: %m", argv[0]);
6520 _exit(EXIT_FAILURE);
6521 }
6522
6523 j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL);
6524 if (j < 0)
6525 return j;
6526 if (streq(verb, "is-enabled")) {
6527 if (j == EXIT_SUCCESS) {
6528 if (!arg_quiet)
6529 puts("enabled");
6530 r = 1;
6531 } else {
6532 if (!arg_quiet)
6533 puts("disabled");
6534 }
6535
6536 } else if (j != EXIT_SUCCESS)
6537 return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */
6538
6539 if (found_native)
6540 continue;
6541
6542 /* Remove this entry, so that we don't try enabling it as native unit */
6543 assert(f > 0);
6544 f--;
6545 assert(args[f] == name);
6546 strv_remove(args + f, name);
6547 }
6548
6549 #endif
6550 return r;
6551 }
6552
6553 static int mangle_names(char **original_names, char ***mangled_names) {
6554 char **i, **l, **name;
6555 int r;
6556
6557 l = i = new(char*, strv_length(original_names) + 1);
6558 if (!l)
6559 return log_oom();
6560
6561 STRV_FOREACH(name, original_names) {
6562
6563 /* When enabling units qualified path names are OK,
6564 * too, hence allow them explicitly. */
6565
6566 if (is_path(*name)) {
6567 *i = strdup(*name);
6568 if (!*i) {
6569 strv_free(l);
6570 return log_oom();
6571 }
6572 } else {
6573 r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i);
6574 if (r < 0) {
6575 *i = NULL;
6576 strv_free(l);
6577 return log_error_errno(r, "Failed to mangle unit name: %m");
6578 }
6579 }
6580
6581 i++;
6582 }
6583
6584 *i = NULL;
6585 *mangled_names = l;
6586
6587 return 0;
6588 }
6589
6590 static int normalize_filenames(char **names) {
6591 char **u;
6592 int r;
6593
6594 STRV_FOREACH(u, names)
6595 if (!path_is_absolute(*u)) {
6596 char* normalized_path;
6597
6598 if (!isempty(arg_root))
6599 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6600 "Non-absolute paths are not allowed when --root is used: %s",
6601 *u);
6602
6603 if (!strchr(*u,'/'))
6604 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
6605 "Link argument does contain at least one directory separator: %s",
6606 *u);
6607
6608 r = path_make_absolute_cwd(*u, &normalized_path);
6609 if (r < 0)
6610 return r;
6611
6612 free_and_replace(*u, normalized_path);
6613 }
6614
6615 return 0;
6616 }
6617
6618 static int normalize_names(char **names, bool warn_if_path) {
6619 char **u;
6620 bool was_path = false;
6621
6622 STRV_FOREACH(u, names) {
6623 int r;
6624
6625 if (!is_path(*u))
6626 continue;
6627
6628 r = free_and_strdup(u, basename(*u));
6629 if (r < 0)
6630 return log_error_errno(r, "Failed to normalize unit file path: %m");
6631
6632 was_path = true;
6633 }
6634
6635 if (warn_if_path && was_path)
6636 log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name.");
6637
6638 return 0;
6639 }
6640
6641 static int unit_exists(LookupPaths *lp, const char *unit) {
6642 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6643 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
6644 _cleanup_free_ char *path = NULL;
6645 static const struct bus_properties_map property_map[] = {
6646 { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
6647 { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
6648 {},
6649 };
6650 UnitStatusInfo info = {};
6651 sd_bus *bus;
6652 int r;
6653
6654 if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE))
6655 return unit_find_template_path(unit, lp, NULL, NULL);
6656
6657 path = unit_dbus_path_from_name(unit);
6658 if (!path)
6659 return log_oom();
6660
6661 r = acquire_bus(BUS_MANAGER, &bus);
6662 if (r < 0)
6663 return r;
6664
6665 r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info);
6666 if (r < 0)
6667 return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
6668
6669 return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
6670 }
6671
6672 static int enable_unit(int argc, char *argv[], void *userdata) {
6673 _cleanup_strv_free_ char **names = NULL;
6674 const char *verb = argv[0];
6675 UnitFileChange *changes = NULL;
6676 size_t n_changes = 0;
6677 int carries_install_info = -1;
6678 bool ignore_carries_install_info = arg_quiet;
6679 int r;
6680
6681 if (!argv[1])
6682 return 0;
6683
6684 r = mangle_names(strv_skip(argv, 1), &names);
6685 if (r < 0)
6686 return r;
6687
6688 r = enable_sysv_units(verb, names);
6689 if (r < 0)
6690 return r;
6691
6692 /* If the operation was fully executed by the SysV compat, let's finish early */
6693 if (strv_isempty(names)) {
6694 if (arg_no_reload || install_client_side())
6695 return 0;
6696 return daemon_reload(argc, argv, userdata);
6697 }
6698
6699 if (streq(verb, "disable")) {
6700 r = normalize_names(names, true);
6701 if (r < 0)
6702 return r;
6703 }
6704
6705 if (streq(verb, "link")) {
6706 r = normalize_filenames(names);
6707 if (r < 0)
6708 return r;
6709 }
6710
6711 if (install_client_side()) {
6712 UnitFileFlags flags;
6713
6714 flags = args_to_flags();
6715 if (streq(verb, "enable")) {
6716 r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6717 carries_install_info = r;
6718 } else if (streq(verb, "disable"))
6719 r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6720 else if (streq(verb, "reenable")) {
6721 r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes);
6722 carries_install_info = r;
6723 } else if (streq(verb, "link"))
6724 r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes);
6725 else if (streq(verb, "preset")) {
6726 r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes);
6727 } else if (streq(verb, "mask"))
6728 r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6729 else if (streq(verb, "unmask"))
6730 r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes);
6731 else if (streq(verb, "revert"))
6732 r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes);
6733 else
6734 assert_not_reached("Unknown verb");
6735
6736 unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet);
6737 if (r < 0)
6738 goto finish;
6739 r = 0;
6740 } else {
6741 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6742 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6743 bool expect_carries_install_info = false;
6744 bool send_runtime = true, send_force = true, send_preset_mode = false;
6745 const char *method;
6746 sd_bus *bus;
6747
6748 if (STR_IN_SET(verb, "mask", "unmask")) {
6749 char **name;
6750 _cleanup_(lookup_paths_free) LookupPaths lp = {};
6751
6752 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
6753 if (r < 0)
6754 return r;
6755
6756 STRV_FOREACH(name, names) {
6757 r = unit_exists(&lp, *name);
6758 if (r < 0)
6759 return r;
6760 if (r == 0)
6761 log_notice("Unit %s does not exist, proceeding anyway.", *name);
6762 }
6763 }
6764
6765 r = acquire_bus(BUS_MANAGER, &bus);
6766 if (r < 0)
6767 return r;
6768
6769 polkit_agent_open_maybe();
6770
6771 if (streq(verb, "enable")) {
6772 method = "EnableUnitFiles";
6773 expect_carries_install_info = true;
6774 } else if (streq(verb, "disable")) {
6775 method = "DisableUnitFiles";
6776 send_force = false;
6777 } else if (streq(verb, "reenable")) {
6778 method = "ReenableUnitFiles";
6779 expect_carries_install_info = true;
6780 } else if (streq(verb, "link"))
6781 method = "LinkUnitFiles";
6782 else if (streq(verb, "preset")) {
6783
6784 if (arg_preset_mode != UNIT_FILE_PRESET_FULL) {
6785 method = "PresetUnitFilesWithMode";
6786 send_preset_mode = true;
6787 } else
6788 method = "PresetUnitFiles";
6789
6790 expect_carries_install_info = true;
6791 ignore_carries_install_info = true;
6792 } else if (streq(verb, "mask"))
6793 method = "MaskUnitFiles";
6794 else if (streq(verb, "unmask")) {
6795 method = "UnmaskUnitFiles";
6796 send_force = false;
6797 } else if (streq(verb, "revert")) {
6798 method = "RevertUnitFiles";
6799 send_runtime = send_force = false;
6800 } else
6801 assert_not_reached("Unknown verb");
6802
6803 r = sd_bus_message_new_method_call(
6804 bus,
6805 &m,
6806 "org.freedesktop.systemd1",
6807 "/org/freedesktop/systemd1",
6808 "org.freedesktop.systemd1.Manager",
6809 method);
6810 if (r < 0)
6811 return bus_log_create_error(r);
6812
6813 r = sd_bus_message_append_strv(m, names);
6814 if (r < 0)
6815 return bus_log_create_error(r);
6816
6817 if (send_preset_mode) {
6818 r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode));
6819 if (r < 0)
6820 return bus_log_create_error(r);
6821 }
6822
6823 if (send_runtime) {
6824 r = sd_bus_message_append(m, "b", arg_runtime);
6825 if (r < 0)
6826 return bus_log_create_error(r);
6827 }
6828
6829 if (send_force) {
6830 r = sd_bus_message_append(m, "b", arg_force);
6831 if (r < 0)
6832 return bus_log_create_error(r);
6833 }
6834
6835 r = sd_bus_call(bus, m, 0, &error, &reply);
6836 if (r < 0)
6837 return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r));
6838
6839 if (expect_carries_install_info) {
6840 r = sd_bus_message_read(reply, "b", &carries_install_info);
6841 if (r < 0)
6842 return bus_log_parse_error(r);
6843 }
6844
6845 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6846 if (r < 0)
6847 goto finish;
6848
6849 /* Try to reload if enabled */
6850 if (!arg_no_reload)
6851 r = daemon_reload(argc, argv, userdata);
6852 else
6853 r = 0;
6854 }
6855
6856 if (carries_install_info == 0 && !ignore_carries_install_info)
6857 log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n"
6858 "Alias= settings in the [Install] section, and DefaultInstance= for template\n"
6859 "units). This means they are not meant to be enabled using systemctl.\n"
6860 " \n" /* trick: the space is needed so that the line does not get stripped from output */
6861 "Possible reasons for having this kind of units are:\n"
6862 "%1$s A unit may be statically enabled by being symlinked from another unit's\n"
6863 " .wants/ or .requires/ directory.\n"
6864 "%1$s A unit's purpose may be to act as a helper for some other unit which has\n"
6865 " a requirement dependency on it.\n"
6866 "%1$s A unit may be started when needed via activation (socket, path, timer,\n"
6867 " D-Bus, udev, scripted systemctl call, ...).\n"
6868 "%1$s In case of template units, the unit is meant to be enabled with some\n"
6869 " instance name specified.",
6870 special_glyph(SPECIAL_GLYPH_BULLET));
6871
6872 if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) {
6873 sd_bus *bus;
6874 size_t len, i;
6875
6876 r = acquire_bus(BUS_MANAGER, &bus);
6877 if (r < 0)
6878 goto finish;
6879
6880 len = strv_length(names);
6881 {
6882 char *new_args[len + 2];
6883
6884 new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop");
6885 for (i = 0; i < len; i++)
6886 new_args[i + 1] = basename(names[i]);
6887 new_args[i + 1] = NULL;
6888
6889 r = start_unit(len + 1, new_args, userdata);
6890 }
6891 }
6892
6893 finish:
6894 unit_file_changes_free(changes, n_changes);
6895
6896 return r;
6897 }
6898
6899 static int add_dependency(int argc, char *argv[], void *userdata) {
6900 _cleanup_strv_free_ char **names = NULL;
6901 _cleanup_free_ char *target = NULL;
6902 const char *verb = argv[0];
6903 UnitFileChange *changes = NULL;
6904 size_t n_changes = 0;
6905 UnitDependency dep;
6906 int r = 0;
6907
6908 if (!argv[1])
6909 return 0;
6910
6911 r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target);
6912 if (r < 0)
6913 return log_error_errno(r, "Failed to mangle unit name: %m");
6914
6915 r = mangle_names(strv_skip(argv, 2), &names);
6916 if (r < 0)
6917 return r;
6918
6919 if (streq(verb, "add-wants"))
6920 dep = UNIT_WANTS;
6921 else if (streq(verb, "add-requires"))
6922 dep = UNIT_REQUIRES;
6923 else
6924 assert_not_reached("Unknown verb");
6925
6926 if (install_client_side()) {
6927 r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes);
6928 unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet);
6929
6930 if (r > 0)
6931 r = 0;
6932 } else {
6933 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
6934 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6935 sd_bus *bus;
6936
6937 r = acquire_bus(BUS_MANAGER, &bus);
6938 if (r < 0)
6939 return r;
6940
6941 polkit_agent_open_maybe();
6942
6943 r = sd_bus_message_new_method_call(
6944 bus,
6945 &m,
6946 "org.freedesktop.systemd1",
6947 "/org/freedesktop/systemd1",
6948 "org.freedesktop.systemd1.Manager",
6949 "AddDependencyUnitFiles");
6950 if (r < 0)
6951 return bus_log_create_error(r);
6952
6953 r = sd_bus_message_append_strv(m, names);
6954 if (r < 0)
6955 return bus_log_create_error(r);
6956
6957 r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force);
6958 if (r < 0)
6959 return bus_log_create_error(r);
6960
6961 r = sd_bus_call(bus, m, 0, &error, &reply);
6962 if (r < 0)
6963 return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r));
6964
6965 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
6966 if (r < 0)
6967 goto finish;
6968
6969 if (arg_no_reload) {
6970 r = 0;
6971 goto finish;
6972 }
6973
6974 r = daemon_reload(argc, argv, userdata);
6975 }
6976
6977 finish:
6978 unit_file_changes_free(changes, n_changes);
6979
6980 return r;
6981 }
6982
6983 static int preset_all(int argc, char *argv[], void *userdata) {
6984 UnitFileChange *changes = NULL;
6985 size_t n_changes = 0;
6986 int r;
6987
6988 if (install_client_side()) {
6989 r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes);
6990 unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet);
6991
6992 if (r > 0)
6993 r = 0;
6994 } else {
6995 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
6996 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
6997 sd_bus *bus;
6998
6999 r = acquire_bus(BUS_MANAGER, &bus);
7000 if (r < 0)
7001 return r;
7002
7003 polkit_agent_open_maybe();
7004
7005 r = sd_bus_call_method(
7006 bus,
7007 "org.freedesktop.systemd1",
7008 "/org/freedesktop/systemd1",
7009 "org.freedesktop.systemd1.Manager",
7010 "PresetAllUnitFiles",
7011 &error,
7012 &reply,
7013 "sbb",
7014 unit_file_preset_mode_to_string(arg_preset_mode),
7015 arg_runtime,
7016 arg_force);
7017 if (r < 0)
7018 return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r));
7019
7020 r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
7021 if (r < 0)
7022 goto finish;
7023
7024 if (arg_no_reload) {
7025 r = 0;
7026 goto finish;
7027 }
7028
7029 r = daemon_reload(argc, argv, userdata);
7030 }
7031
7032 finish:
7033 unit_file_changes_free(changes, n_changes);
7034
7035 return r;
7036 }
7037
7038 static int show_installation_targets_client_side(const char *name) {
7039 UnitFileChange *changes = NULL;
7040 size_t n_changes = 0, i;
7041 UnitFileFlags flags;
7042 char **p;
7043 int r;
7044
7045 p = STRV_MAKE(name);
7046 flags = UNIT_FILE_DRY_RUN |
7047 (arg_runtime ? UNIT_FILE_RUNTIME : 0);
7048
7049 r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes);
7050 if (r < 0)
7051 return log_error_errno(r, "Failed to get file links for %s: %m", name);
7052
7053 for (i = 0; i < n_changes; i++)
7054 if (changes[i].type == UNIT_FILE_UNLINK)
7055 printf(" %s\n", changes[i].path);
7056
7057 return 0;
7058 }
7059
7060 static int show_installation_targets(sd_bus *bus, const char *name) {
7061 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7062 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7063 const char *link;
7064 int r;
7065
7066 r = sd_bus_call_method(
7067 bus,
7068 "org.freedesktop.systemd1",
7069 "/org/freedesktop/systemd1",
7070 "org.freedesktop.systemd1.Manager",
7071 "GetUnitFileLinks",
7072 &error,
7073 &reply,
7074 "sb", name, arg_runtime);
7075 if (r < 0)
7076 return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r));
7077
7078 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
7079 if (r < 0)
7080 return bus_log_parse_error(r);
7081
7082 while ((r = sd_bus_message_read(reply, "s", &link)) > 0)
7083 printf(" %s\n", link);
7084
7085 if (r < 0)
7086 return bus_log_parse_error(r);
7087
7088 r = sd_bus_message_exit_container(reply);
7089 if (r < 0)
7090 return bus_log_parse_error(r);
7091
7092 return 0;
7093 }
7094
7095 static int unit_is_enabled(int argc, char *argv[], void *userdata) {
7096 _cleanup_strv_free_ char **names = NULL;
7097 bool enabled;
7098 char **name;
7099 int r;
7100
7101 r = mangle_names(strv_skip(argv, 1), &names);
7102 if (r < 0)
7103 return r;
7104
7105 r = enable_sysv_units(argv[0], names);
7106 if (r < 0)
7107 return r;
7108
7109 enabled = r > 0;
7110
7111 if (install_client_side()) {
7112 STRV_FOREACH(name, names) {
7113 UnitFileState state;
7114
7115 r = unit_file_get_state(arg_scope, arg_root, *name, &state);
7116 if (r < 0)
7117 return log_error_errno(r, "Failed to get unit file state for %s: %m", *name);
7118
7119 if (IN_SET(state,
7120 UNIT_FILE_ENABLED,
7121 UNIT_FILE_ENABLED_RUNTIME,
7122 UNIT_FILE_STATIC,
7123 UNIT_FILE_INDIRECT,
7124 UNIT_FILE_GENERATED))
7125 enabled = true;
7126
7127 if (!arg_quiet) {
7128 puts(unit_file_state_to_string(state));
7129 if (arg_full) {
7130 r = show_installation_targets_client_side(*name);
7131 if (r < 0)
7132 return r;
7133 }
7134 }
7135 }
7136
7137 r = 0;
7138 } else {
7139 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7140 sd_bus *bus;
7141
7142 r = acquire_bus(BUS_MANAGER, &bus);
7143 if (r < 0)
7144 return r;
7145
7146 STRV_FOREACH(name, names) {
7147 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
7148 const char *s;
7149
7150 r = sd_bus_call_method(
7151 bus,
7152 "org.freedesktop.systemd1",
7153 "/org/freedesktop/systemd1",
7154 "org.freedesktop.systemd1.Manager",
7155 "GetUnitFileState",
7156 &error,
7157 &reply,
7158 "s", *name);
7159 if (r < 0)
7160 return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r));
7161
7162 r = sd_bus_message_read(reply, "s", &s);
7163 if (r < 0)
7164 return bus_log_parse_error(r);
7165
7166 if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated"))
7167 enabled = true;
7168
7169 if (!arg_quiet) {
7170 puts(s);
7171 if (arg_full) {
7172 r = show_installation_targets(bus, *name);
7173 if (r < 0)
7174 return r;
7175 }
7176 }
7177 }
7178 }
7179
7180 return enabled ? EXIT_SUCCESS : EXIT_FAILURE;
7181 }
7182
7183 static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) {
7184 char **state = userdata;
7185 int r;
7186
7187 assert(state);
7188
7189 r = sd_bus_get_property_string(
7190 sd_bus_message_get_bus(m),
7191 "org.freedesktop.systemd1",
7192 "/org/freedesktop/systemd1",
7193 "org.freedesktop.systemd1.Manager",
7194 "SystemState",
7195 NULL,
7196 state);
7197
7198 sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r);
7199 return 0;
7200 }
7201
7202 static int is_system_running(int argc, char *argv[], void *userdata) {
7203 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7204 _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL;
7205 _cleanup_(sd_event_unrefp) sd_event* event = NULL;
7206 _cleanup_free_ char *state = NULL;
7207 sd_bus *bus;
7208 int r;
7209
7210 if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) {
7211 if (!arg_quiet)
7212 puts("offline");
7213 return EXIT_FAILURE;
7214 }
7215
7216 r = acquire_bus(BUS_MANAGER, &bus);
7217 if (r < 0)
7218 return r;
7219
7220 if (arg_wait) {
7221 r = sd_event_default(&event);
7222 if (r >= 0)
7223 r = sd_bus_attach_event(bus, event, 0);
7224 if (r >= 0)
7225 r = sd_bus_match_signal_async(
7226 bus,
7227 &slot_startup_finished,
7228 "org.freedesktop.systemd1",
7229 "/org/freedesktop/systemd1",
7230 "org.freedesktop.systemd1.Manager",
7231 "StartupFinished",
7232 match_startup_finished, NULL, &state);
7233 if (r < 0) {
7234 log_warning_errno(r, "Failed to request match for StartupFinished: %m");
7235 arg_wait = false;
7236 }
7237 }
7238
7239 r = sd_bus_get_property_string(
7240 bus,
7241 "org.freedesktop.systemd1",
7242 "/org/freedesktop/systemd1",
7243 "org.freedesktop.systemd1.Manager",
7244 "SystemState",
7245 &error,
7246 &state);
7247 if (r < 0) {
7248 log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r));
7249
7250 if (!arg_quiet)
7251 puts("unknown");
7252 return EXIT_FAILURE;
7253 }
7254
7255 if (arg_wait && STR_IN_SET(state, "initializing", "starting")) {
7256 r = sd_event_loop(event);
7257 if (r < 0) {
7258 log_warning_errno(r, "Failed to get property from event loop: %m");
7259 if (!arg_quiet)
7260 puts("unknown");
7261 return EXIT_FAILURE;
7262 }
7263 }
7264
7265 if (!arg_quiet)
7266 puts(state);
7267
7268 return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE;
7269 }
7270
7271 static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) {
7272 _cleanup_free_ char *t = NULL;
7273 int r;
7274
7275 assert(new_path);
7276 assert(original_path);
7277 assert(ret_tmp_fn);
7278
7279 r = tempfn_random(new_path, NULL, &t);
7280 if (r < 0)
7281 return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path);
7282
7283 r = mkdir_parents(new_path, 0755);
7284 if (r < 0)
7285 return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path);
7286
7287 r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK);
7288 if (r == -ENOENT) {
7289
7290 r = touch(t);
7291 if (r < 0)
7292 return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t);
7293
7294 } else if (r < 0)
7295 return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path);
7296
7297 *ret_tmp_fn = TAKE_PTR(t);
7298
7299 return 0;
7300 }
7301
7302 static int get_file_to_edit(
7303 const LookupPaths *paths,
7304 const char *name,
7305 char **ret_path) {
7306
7307 _cleanup_free_ char *path = NULL, *run = NULL;
7308
7309 assert(name);
7310 assert(ret_path);
7311
7312 path = path_join(paths->persistent_config, name);
7313 if (!path)
7314 return log_oom();
7315
7316 if (arg_runtime) {
7317 run = path_join(paths->runtime_config, name);
7318 if (!run)
7319 return log_oom();
7320 }
7321
7322 if (arg_runtime) {
7323 if (access(path, F_OK) >= 0)
7324 return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
7325 "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.",
7326 run, path);
7327
7328 *ret_path = TAKE_PTR(run);
7329 } else
7330 *ret_path = TAKE_PTR(path);
7331
7332 return 0;
7333 }
7334
7335 static int unit_file_create_new(
7336 const LookupPaths *paths,
7337 const char *unit_name,
7338 const char *suffix,
7339 char **ret_new_path,
7340 char **ret_tmp_path) {
7341
7342 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7343 const char *ending;
7344 int r;
7345
7346 assert(unit_name);
7347 assert(ret_new_path);
7348 assert(ret_tmp_path);
7349
7350 ending = strjoina(unit_name, suffix);
7351 r = get_file_to_edit(paths, ending, &new_path);
7352 if (r < 0)
7353 return r;
7354
7355 r = create_edit_temp_file(new_path, new_path, &tmp_path);
7356 if (r < 0)
7357 return r;
7358
7359 *ret_new_path = TAKE_PTR(new_path);
7360 *ret_tmp_path = TAKE_PTR(tmp_path);
7361
7362 return 0;
7363 }
7364
7365 static int unit_file_create_copy(
7366 const LookupPaths *paths,
7367 const char *unit_name,
7368 const char *fragment_path,
7369 char **ret_new_path,
7370 char **ret_tmp_path) {
7371
7372 _cleanup_free_ char *new_path = NULL, *tmp_path = NULL;
7373 int r;
7374
7375 assert(fragment_path);
7376 assert(unit_name);
7377 assert(ret_new_path);
7378 assert(ret_tmp_path);
7379
7380 r = get_file_to_edit(paths, unit_name, &new_path);
7381 if (r < 0)
7382 return r;
7383
7384 if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) {
7385 char response;
7386
7387 r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path);
7388 if (r < 0)
7389 return r;
7390 if (response != 'y')
7391 return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name);
7392 }
7393
7394 r = create_edit_temp_file(new_path, fragment_path, &tmp_path);
7395 if (r < 0)
7396 return r;
7397
7398 *ret_new_path = TAKE_PTR(new_path);
7399 *ret_tmp_path = TAKE_PTR(tmp_path);
7400
7401 return 0;
7402 }
7403
7404 static int run_editor(char **paths) {
7405 int r;
7406
7407 assert(paths);
7408
7409 r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL);
7410 if (r < 0)
7411 return r;
7412 if (r == 0) {
7413 char **editor_args = NULL, **tmp_path, **original_path;
7414 size_t n_editor_args = 0, i = 1, argc;
7415 const char **args, *editor, *p;
7416
7417 argc = strv_length(paths)/2 + 1;
7418
7419 /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL
7420 * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present,
7421 * we try to execute well known editors
7422 */
7423 editor = getenv("SYSTEMD_EDITOR");
7424 if (!editor)
7425 editor = getenv("EDITOR");
7426 if (!editor)
7427 editor = getenv("VISUAL");
7428
7429 if (!isempty(editor)) {
7430 editor_args = strv_split(editor, WHITESPACE);
7431 if (!editor_args) {
7432 (void) log_oom();
7433 _exit(EXIT_FAILURE);
7434 }
7435 n_editor_args = strv_length(editor_args);
7436 argc += n_editor_args - 1;
7437 }
7438
7439 args = newa(const char*, argc + 1);
7440
7441 if (n_editor_args > 0) {
7442 args[0] = editor_args[0];
7443 for (; i < n_editor_args; i++)
7444 args[i] = editor_args[i];
7445 }
7446
7447 STRV_FOREACH_PAIR(original_path, tmp_path, paths)
7448 args[i++] = *tmp_path;
7449 args[i] = NULL;
7450
7451 if (n_editor_args > 0)
7452 execvp(args[0], (char* const*) args);
7453
7454 FOREACH_STRING(p, "editor", "nano", "vim", "vi") {
7455 args[0] = p;
7456 execvp(p, (char* const*) args);
7457 /* We do not fail if the editor doesn't exist
7458 * because we want to try each one of them before
7459 * failing.
7460 */
7461 if (errno != ENOENT) {
7462 log_error_errno(errno, "Failed to execute %s: %m", editor);
7463 _exit(EXIT_FAILURE);
7464 }
7465 }
7466
7467 log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL.");
7468 _exit(EXIT_FAILURE);
7469 }
7470
7471 return 0;
7472 }
7473
7474 static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) {
7475 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7476 char **name;
7477 int r;
7478
7479 assert(names);
7480 assert(paths);
7481
7482 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7483 if (r < 0)
7484 return r;
7485
7486 STRV_FOREACH(name, names) {
7487 _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL;
7488 const char *unit_name;
7489
7490 r = unit_find_paths(bus, *name, &lp, false, &path, NULL);
7491 if (r == -EKEYREJECTED) {
7492 /* If loading of the unit failed server side complete, then the server won't tell us the unit
7493 * file path. In that case, find the file client side. */
7494 log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name);
7495 r = unit_find_paths(bus, *name, &lp, true, &path, NULL);
7496 }
7497 if (r == -ERFKILL)
7498 return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name);
7499 if (r < 0)
7500 return r;
7501
7502 if (r == 0) {
7503 assert(!path);
7504
7505 if (!arg_force) {
7506 log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.",
7507 arg_scope == UNIT_FILE_GLOBAL ? " --global" :
7508 arg_scope == UNIT_FILE_USER ? " --user" : "",
7509 *name);
7510 return -ENOENT;
7511 }
7512
7513 /* Create a new unit from scratch */
7514 unit_name = *name;
7515 r = unit_file_create_new(&lp, unit_name,
7516 arg_full ? NULL : ".d/override.conf",
7517 &new_path, &tmp_path);
7518 } else {
7519 assert(path);
7520
7521 unit_name = basename(path);
7522 /* We follow unit aliases, but we need to propagate the instance */
7523 if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) &&
7524 unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) {
7525 _cleanup_free_ char *instance = NULL;
7526
7527 r = unit_name_to_instance(*name, &instance);
7528 if (r < 0)
7529 return r;
7530
7531 r = unit_name_replace_instance(unit_name, instance, &tmp_name);
7532 if (r < 0)
7533 return r;
7534
7535 unit_name = tmp_name;
7536 }
7537
7538 if (arg_full)
7539 r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path);
7540 else
7541 r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path);
7542 }
7543 if (r < 0)
7544 return r;
7545
7546 r = strv_push_pair(paths, new_path, tmp_path);
7547 if (r < 0)
7548 return log_oom();
7549
7550 new_path = tmp_path = NULL;
7551 }
7552
7553 return 0;
7554 }
7555
7556 static int edit(int argc, char *argv[], void *userdata) {
7557 _cleanup_(lookup_paths_free) LookupPaths lp = {};
7558 _cleanup_strv_free_ char **names = NULL;
7559 _cleanup_strv_free_ char **paths = NULL;
7560 char **original, **tmp;
7561 sd_bus *bus;
7562 int r;
7563
7564 if (!on_tty())
7565 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty.");
7566
7567 if (arg_transport != BUS_TRANSPORT_LOCAL)
7568 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely.");
7569
7570 r = lookup_paths_init(&lp, arg_scope, 0, arg_root);
7571 if (r < 0)
7572 return log_error_errno(r, "Failed to determine unit paths: %m");
7573
7574 r = acquire_bus(BUS_MANAGER, &bus);
7575 if (r < 0)
7576 return r;
7577
7578 r = expand_names(bus, strv_skip(argv, 1), NULL, &names);
7579 if (r < 0)
7580 return log_error_errno(r, "Failed to expand names: %m");
7581
7582 STRV_FOREACH(tmp, names) {
7583 r = unit_is_masked(bus, &lp, *tmp);
7584 if (r < 0)
7585 return r;
7586 if (r > 0)
7587 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp);
7588 }
7589
7590 r = find_paths_to_edit(bus, names, &paths);
7591 if (r < 0)
7592 return r;
7593
7594 if (strv_isempty(paths))
7595 return -ENOENT;
7596
7597 r = run_editor(paths);
7598 if (r < 0)
7599 goto end;
7600
7601 STRV_FOREACH_PAIR(original, tmp, paths) {
7602 /* If the temporary file is empty we ignore it.
7603 * This allows the user to cancel the modification.
7604 */
7605 if (null_or_empty_path(*tmp)) {
7606 log_warning("Editing \"%s\" canceled: temporary file is empty.", *original);
7607 continue;
7608 }
7609
7610 r = rename(*tmp, *original);
7611 if (r < 0) {
7612 r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original);
7613 goto end;
7614 }
7615 }
7616
7617 r = 0;
7618
7619 if (!arg_no_reload && !install_client_side())
7620 r = daemon_reload(argc, argv, userdata);
7621
7622 end:
7623 STRV_FOREACH_PAIR(original, tmp, paths) {
7624 (void) unlink(*tmp);
7625
7626 /* Removing empty dropin dirs */
7627 if (!arg_full) {
7628 _cleanup_free_ char *dir;
7629
7630 dir = dirname_malloc(*original);
7631 if (!dir)
7632 return log_oom();
7633
7634 /* no need to check if the dir is empty, rmdir
7635 * does nothing if it is not the case.
7636 */
7637 (void) rmdir(dir);
7638 }
7639 }
7640
7641 return r;
7642 }
7643
7644 static int systemctl_help(void) {
7645 _cleanup_free_ char *link = NULL;
7646 int r;
7647
7648 (void) pager_open(arg_pager_flags);
7649
7650 r = terminal_urlify_man("systemctl", "1", &link);
7651 if (r < 0)
7652 return log_oom();
7653
7654 printf("%5$s%1$s [OPTIONS...] {COMMAND} ...\n\n"
7655 "Query or send control commands to the systemd manager.%6$s\n\n"
7656 "%3$sUnit Commands:%4$s\n"
7657 " list-units [PATTERN...] List units currently in memory\n"
7658 " list-sockets [PATTERN...] List socket units currently in memory,\n"
7659 " ordered by address\n"
7660 " list-timers [PATTERN...] List timer units currently in memory,\n"
7661 " ordered by next elapse\n"
7662 " start UNIT... Start (activate) one or more units\n"
7663 " stop UNIT... Stop (deactivate) one or more units\n"
7664 " reload UNIT... Reload one or more units\n"
7665 " restart UNIT... Start or restart one or more units\n"
7666 " try-restart UNIT... Restart one or more units if active\n"
7667 " reload-or-restart UNIT... Reload one or more units if possible,\n"
7668 " otherwise start or restart\n"
7669 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
7670 " if supported, otherwise restart\n"
7671 " isolate UNIT Start one unit and stop all others\n"
7672 " kill UNIT... Send signal to processes of a unit\n"
7673 " clean UNIT... Clean runtime, cache, state, logs or\n"
7674 " or configuration of unit\n"
7675 " is-active PATTERN... Check whether units are active\n"
7676 " is-failed PATTERN... Check whether units are failed\n"
7677 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
7678 " show [PATTERN...|JOB...] Show properties of one or more\n"
7679 " units/jobs or the manager\n"
7680 " cat PATTERN... Show files and drop-ins of specified units\n"
7681 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
7682 " help PATTERN...|PID... Show manual for one or more units\n"
7683 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
7684 " units\n"
7685 " list-dependencies [UNIT] Recursively show units which are required\n"
7686 " or wanted by this unit or by which this\n"
7687 " unit is required or wanted\n\n"
7688 "%3$sUnit File Commands:%4$s\n"
7689 " list-unit-files [PATTERN...] List installed unit files\n"
7690 " enable [UNIT...|PATH...] Enable one or more unit files\n"
7691 " disable UNIT... Disable one or more unit files\n"
7692 " reenable UNIT... Reenable one or more unit files\n"
7693 " preset UNIT... Enable/disable one or more unit files\n"
7694 " based on preset configuration\n"
7695 " preset-all Enable/disable all unit files based on\n"
7696 " preset configuration\n"
7697 " is-enabled UNIT... Check whether unit files are enabled\n"
7698 " mask UNIT... Mask one or more units\n"
7699 " unmask UNIT... Unmask one or more units\n"
7700 " link PATH... Link one or more units files into\n"
7701 " the search path\n"
7702 " revert UNIT... Revert one or more unit files to vendor\n"
7703 " version\n"
7704 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
7705 " on specified one or more units\n"
7706 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
7707 " on specified one or more units\n"
7708 " edit UNIT... Edit one or more unit files\n"
7709 " get-default Get the name of the default target\n"
7710 " set-default TARGET Set the default target\n\n"
7711 "%3$sMachine Commands:%4$s\n"
7712 " list-machines [PATTERN...] List local containers and host\n\n"
7713 "%3$sJob Commands:%4$s\n"
7714 " list-jobs [PATTERN...] List jobs\n"
7715 " cancel [JOB...] Cancel all, one, or more jobs\n\n"
7716 "%3$sEnvironment Commands:%4$s\n"
7717 " show-environment Dump environment\n"
7718 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
7719 " unset-environment VARIABLE... Unset one or more environment variables\n"
7720 " import-environment [VARIABLE...] Import all or some environment variables\n\n"
7721 "%3$sManager Lifecycle Commands:%4$s\n"
7722 " daemon-reload Reload systemd manager configuration\n"
7723 " daemon-reexec Reexecute systemd manager\n\n"
7724 "%3$sSystem Commands:%4$s\n"
7725 " is-system-running Check whether system is fully running\n"
7726 " default Enter system default mode\n"
7727 " rescue Enter system rescue mode\n"
7728 " emergency Enter system emergency mode\n"
7729 " halt Shut down and halt the system\n"
7730 " poweroff Shut down and power-off the system\n"
7731 " reboot [ARG] Shut down and reboot the system\n"
7732 " kexec Shut down and reboot the system with kexec\n"
7733 " exit [EXIT_CODE] Request user instance or container exit\n"
7734 " switch-root ROOT [INIT] Change to a different root file system\n"
7735 " suspend Suspend the system\n"
7736 " hibernate Hibernate the system\n"
7737 " hybrid-sleep Hibernate and suspend the system\n"
7738 " suspend-then-hibernate Suspend the system, wake after a period of\n"
7739 " time and put it into hibernate\n"
7740 "\nOptions\n"
7741 " -h --help Show this help\n"
7742 " --version Show package version\n"
7743 " --system Connect to system manager\n"
7744 " --user Connect to user service manager\n"
7745 " -H --host=[USER@]HOST\n"
7746 " Operate on remote host\n"
7747 " -M --machine=CONTAINER\n"
7748 " Operate on local container\n"
7749 " -t --type=TYPE List units of a particular type\n"
7750 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
7751 " --failed Shorcut for --state=failed\n"
7752 " -p --property=NAME Show only properties by this name\n"
7753 " -a --all Show all properties/all units currently in memory,\n"
7754 " including dead/empty ones. To list all units installed on\n"
7755 " the system, use the 'list-unit-files' command instead.\n"
7756 " -l --full Don't ellipsize unit names on output\n"
7757 " -r --recursive Show unit list of host and local containers\n"
7758 " --reverse Show reverse dependencies with 'list-dependencies'\n"
7759 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
7760 " queueing a new job\n"
7761 " -T --show-transaction\n"
7762 " When enqueuing a unit job, show full transaction\n"
7763 " --show-types When showing sockets, explicitly show their type\n"
7764 " --value When showing properties, only print the value\n"
7765 " -i --ignore-inhibitors\n"
7766 " When shutting down or sleeping, ignore inhibitors\n"
7767 " --kill-who=WHO Who to send signal to\n"
7768 " -s --signal=SIGNAL Which signal to send\n"
7769 " --what=RESOURCES Which types of resources to remove\n"
7770 " --now Start or stop unit in addition to enabling or disabling it\n"
7771 " --dry-run Only print what would be done\n"
7772 " -q --quiet Suppress output\n"
7773 " --wait For (re)start, wait until service stopped again\n"
7774 " For is-system-running, wait until startup is completed\n"
7775 " --no-block Do not wait until operation finished\n"
7776 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7777 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
7778 " --no-legend Do not print a legend (column headers and hints)\n"
7779 " --no-pager Do not pipe output into a pager\n"
7780 " --no-ask-password\n"
7781 " Do not ask for system passwords\n"
7782 " --global Enable/disable/mask unit files globally\n"
7783 " --runtime Enable/disable/mask unit files temporarily until next\n"
7784 " reboot\n"
7785 " -f --force When enabling unit files, override existing symlinks\n"
7786 " When shutting down, execute action immediately\n"
7787 " --preset-mode= Apply only enable, only disable, or all presets\n"
7788 " --root=PATH Enable/disable/mask unit files in the specified root\n"
7789 " directory\n"
7790 " -n --lines=INTEGER Number of journal entries to show\n"
7791 " -o --output=STRING Change journal output mode (short, short-precise,\n"
7792 " short-iso, short-iso-precise, short-full,\n"
7793 " short-monotonic, short-unix,\n"
7794 " verbose, export, json, json-pretty, json-sse, cat)\n"
7795 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
7796 " --boot-loader-menu=TIME\n"
7797 " Boot into boot loader menu on next boot\n"
7798 " --boot-loader-entry=NAME\n"
7799 " Boot into a specific boot loader entry on next boot\n"
7800 " --plain Print unit dependencies as a list instead of a tree\n"
7801 "\nSee the %2$s for details.\n"
7802 , program_invocation_short_name
7803 , link
7804 , ansi_underline(), ansi_normal()
7805 , ansi_highlight(), ansi_normal()
7806 );
7807
7808 return 0;
7809 }
7810
7811 static int halt_help(void) {
7812 _cleanup_free_ char *link = NULL;
7813 int r;
7814
7815 r = terminal_urlify_man("halt", "8", &link);
7816 if (r < 0)
7817 return log_oom();
7818
7819 printf("%s [OPTIONS...]%s\n\n"
7820 "%s the system.\n\n"
7821 " --help Show this help\n"
7822 " --halt Halt the machine\n"
7823 " -p --poweroff Switch off the machine\n"
7824 " --reboot Reboot the machine\n"
7825 " -f --force Force immediate halt/power-off/reboot\n"
7826 " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n"
7827 " -d --no-wtmp Don't write wtmp record\n"
7828 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7829 "\nSee the %s for details.\n"
7830 , program_invocation_short_name
7831 , arg_action == ACTION_REBOOT ? " [ARG]" : "",
7832 arg_action == ACTION_REBOOT ? "Reboot" :
7833 arg_action == ACTION_POWEROFF ? "Power off" :
7834 "Halt"
7835 , link
7836 );
7837
7838 return 0;
7839 }
7840
7841 static int shutdown_help(void) {
7842 _cleanup_free_ char *link = NULL;
7843 int r;
7844
7845 r = terminal_urlify_man("shutdown", "8", &link);
7846 if (r < 0)
7847 return log_oom();
7848
7849 printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
7850 "Shut down the system.\n\n"
7851 " --help Show this help\n"
7852 " -H --halt Halt the machine\n"
7853 " -P --poweroff Power-off the machine\n"
7854 " -r --reboot Reboot the machine\n"
7855 " -h Equivalent to --poweroff, overridden by --halt\n"
7856 " -k Don't halt/power-off/reboot, just send warnings\n"
7857 " --no-wall Don't send wall message before halt/power-off/reboot\n"
7858 " -c Cancel a pending shutdown\n"
7859 "\nSee the %s for details.\n"
7860 , program_invocation_short_name
7861 , link
7862 );
7863
7864 return 0;
7865 }
7866
7867 static int telinit_help(void) {
7868 _cleanup_free_ char *link = NULL;
7869 int r;
7870
7871 r = terminal_urlify_man("telinit", "8", &link);
7872 if (r < 0)
7873 return log_oom();
7874
7875 printf("%s [OPTIONS...] {COMMAND}\n\n"
7876 "Send control commands to the init daemon.\n\n"
7877 " --help Show this help\n"
7878 " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
7879 "Commands:\n"
7880 " 0 Power-off the machine\n"
7881 " 6 Reboot the machine\n"
7882 " 2, 3, 4, 5 Start runlevelX.target unit\n"
7883 " 1, s, S Enter rescue mode\n"
7884 " q, Q Reload init daemon configuration\n"
7885 " u, U Reexecute init daemon\n"
7886 "\nSee the %s for details.\n"
7887 , program_invocation_short_name
7888 , link
7889 );
7890
7891 return 0;
7892 }
7893
7894 static int runlevel_help(void) {
7895 _cleanup_free_ char *link = NULL;
7896 int r;
7897
7898 r = terminal_urlify_man("runlevel", "8", &link);
7899 if (r < 0)
7900 return log_oom();
7901
7902 printf("%s [OPTIONS...]\n\n"
7903 "Prints the previous and current runlevel of the init system.\n\n"
7904 " --help Show this help\n"
7905 "\nSee the %s for details.\n"
7906 , program_invocation_short_name
7907 , link
7908 );
7909
7910 return 0;
7911 }
7912
7913 static void help_types(void) {
7914 if (!arg_no_legend)
7915 puts("Available unit types:");
7916
7917 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
7918 }
7919
7920 static void help_states(void) {
7921 if (!arg_no_legend)
7922 puts("Available unit load states:");
7923 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
7924
7925 if (!arg_no_legend)
7926 puts("\nAvailable unit active states:");
7927 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
7928
7929 if (!arg_no_legend)
7930 puts("\nAvailable unit file states:");
7931 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
7932
7933 if (!arg_no_legend)
7934 puts("\nAvailable automount unit substates:");
7935 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
7936
7937 if (!arg_no_legend)
7938 puts("\nAvailable device unit substates:");
7939 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
7940
7941 if (!arg_no_legend)
7942 puts("\nAvailable mount unit substates:");
7943 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
7944
7945 if (!arg_no_legend)
7946 puts("\nAvailable path unit substates:");
7947 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
7948
7949 if (!arg_no_legend)
7950 puts("\nAvailable scope unit substates:");
7951 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
7952
7953 if (!arg_no_legend)
7954 puts("\nAvailable service unit substates:");
7955 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
7956
7957 if (!arg_no_legend)
7958 puts("\nAvailable slice unit substates:");
7959 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
7960
7961 if (!arg_no_legend)
7962 puts("\nAvailable socket unit substates:");
7963 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
7964
7965 if (!arg_no_legend)
7966 puts("\nAvailable swap unit substates:");
7967 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
7968
7969 if (!arg_no_legend)
7970 puts("\nAvailable target unit substates:");
7971 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
7972
7973 if (!arg_no_legend)
7974 puts("\nAvailable timer unit substates:");
7975 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
7976 }
7977
7978 static int help_boot_loader_entry(void) {
7979 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
7980 _cleanup_strv_free_ char **l = NULL;
7981 sd_bus *bus;
7982 char **i;
7983 int r;
7984
7985 r = acquire_bus(BUS_FULL, &bus);
7986 if (r < 0)
7987 return r;
7988
7989 r = sd_bus_get_property_strv(
7990 bus,
7991 "org.freedesktop.login1",
7992 "/org/freedesktop/login1",
7993 "org.freedesktop.login1.Manager",
7994 "BootLoaderEntries",
7995 &error,
7996 &l);
7997 if (r < 0)
7998 return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r));
7999
8000 if (strv_isempty(l))
8001 return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered.");
8002
8003 STRV_FOREACH(i, l)
8004 puts(*i);
8005
8006 return 0;
8007 }
8008
8009 static int systemctl_parse_argv(int argc, char *argv[]) {
8010 enum {
8011 ARG_FAIL = 0x100,
8012 ARG_REVERSE,
8013 ARG_AFTER,
8014 ARG_BEFORE,
8015 ARG_DRY_RUN,
8016 ARG_SHOW_TYPES,
8017 ARG_IRREVERSIBLE,
8018 ARG_IGNORE_DEPENDENCIES,
8019 ARG_VALUE,
8020 ARG_VERSION,
8021 ARG_USER,
8022 ARG_SYSTEM,
8023 ARG_GLOBAL,
8024 ARG_NO_BLOCK,
8025 ARG_NO_LEGEND,
8026 ARG_NO_PAGER,
8027 ARG_NO_WALL,
8028 ARG_ROOT,
8029 ARG_NO_RELOAD,
8030 ARG_KILL_WHO,
8031 ARG_NO_ASK_PASSWORD,
8032 ARG_FAILED,
8033 ARG_RUNTIME,
8034 ARG_PLAIN,
8035 ARG_STATE,
8036 ARG_JOB_MODE,
8037 ARG_PRESET_MODE,
8038 ARG_FIRMWARE_SETUP,
8039 ARG_BOOT_LOADER_MENU,
8040 ARG_BOOT_LOADER_ENTRY,
8041 ARG_NOW,
8042 ARG_MESSAGE,
8043 ARG_WAIT,
8044 ARG_WHAT,
8045 };
8046
8047 static const struct option options[] = {
8048 { "help", no_argument, NULL, 'h' },
8049 { "version", no_argument, NULL, ARG_VERSION },
8050 { "type", required_argument, NULL, 't' },
8051 { "property", required_argument, NULL, 'p' },
8052 { "all", no_argument, NULL, 'a' },
8053 { "reverse", no_argument, NULL, ARG_REVERSE },
8054 { "after", no_argument, NULL, ARG_AFTER },
8055 { "before", no_argument, NULL, ARG_BEFORE },
8056 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
8057 { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */
8058 { "full", no_argument, NULL, 'l' },
8059 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
8060 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
8061 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
8062 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
8063 { "ignore-inhibitors", no_argument, NULL, 'i' },
8064 { "value", no_argument, NULL, ARG_VALUE },
8065 { "user", no_argument, NULL, ARG_USER },
8066 { "system", no_argument, NULL, ARG_SYSTEM },
8067 { "global", no_argument, NULL, ARG_GLOBAL },
8068 { "wait", no_argument, NULL, ARG_WAIT },
8069 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8070 { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
8071 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
8072 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8073 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
8074 { "quiet", no_argument, NULL, 'q' },
8075 { "root", required_argument, NULL, ARG_ROOT },
8076 { "force", no_argument, NULL, 'f' },
8077 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
8078 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
8079 { "signal", required_argument, NULL, 's' },
8080 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
8081 { "host", required_argument, NULL, 'H' },
8082 { "machine", required_argument, NULL, 'M' },
8083 { "runtime", no_argument, NULL, ARG_RUNTIME },
8084 { "lines", required_argument, NULL, 'n' },
8085 { "output", required_argument, NULL, 'o' },
8086 { "plain", no_argument, NULL, ARG_PLAIN },
8087 { "state", required_argument, NULL, ARG_STATE },
8088 { "recursive", no_argument, NULL, 'r' },
8089 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
8090 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
8091 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
8092 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
8093 { "now", no_argument, NULL, ARG_NOW },
8094 { "message", required_argument, NULL, ARG_MESSAGE },
8095 { "show-transaction", no_argument, NULL, 'T' },
8096 { "what", required_argument, NULL, ARG_WHAT },
8097 {}
8098 };
8099
8100 int c, r;
8101
8102 assert(argc >= 0);
8103 assert(argv);
8104
8105 /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */
8106 arg_ask_password = true;
8107
8108 while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
8109
8110 switch (c) {
8111
8112 case 'h':
8113 return systemctl_help();
8114
8115 case ARG_VERSION:
8116 return version();
8117
8118 case 't': {
8119 const char *p;
8120
8121 if (isempty(optarg))
8122 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8123 "--type= requires arguments.");
8124
8125 for (p = optarg;;) {
8126 _cleanup_free_ char *type = NULL;
8127
8128 r = extract_first_word(&p, &type, ",", 0);
8129 if (r < 0)
8130 return log_error_errno(r, "Failed to parse type: %s", optarg);
8131 if (r == 0)
8132 break;
8133
8134 if (streq(type, "help")) {
8135 help_types();
8136 return 0;
8137 }
8138
8139 if (unit_type_from_string(type) >= 0) {
8140 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
8141 return log_oom();
8142 continue;
8143 }
8144
8145 /* It's much nicer to use --state= for
8146 * load states, but let's support this
8147 * in --types= too for compatibility
8148 * with old versions */
8149 if (unit_load_state_from_string(type) >= 0) {
8150 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
8151 return log_oom();
8152 continue;
8153 }
8154
8155 log_error("Unknown unit type or load state '%s'.", type);
8156 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
8157 "Use -t help to see a list of allowed values.");
8158 }
8159
8160 break;
8161 }
8162
8163 case 'p':
8164 /* Make sure that if the empty property list was specified, we won't show any
8165 properties. */
8166 if (isempty(optarg) && !arg_properties) {
8167 arg_properties = new0(char*, 1);
8168 if (!arg_properties)
8169 return log_oom();
8170 } else {
8171 const char *p;
8172
8173 for (p = optarg;;) {
8174 _cleanup_free_ char *prop = NULL;
8175
8176 r = extract_first_word(&p, &prop, ",", 0);
8177 if (r < 0)
8178 return log_error_errno(r, "Failed to parse property: %s", optarg);
8179 if (r == 0)
8180 break;
8181
8182 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
8183 return log_oom();
8184 }
8185 }
8186
8187 /* If the user asked for a particular
8188 * property, show it to him, even if it is
8189 * empty. */
8190 arg_all = true;
8191
8192 break;
8193
8194 case 'a':
8195 arg_all = true;
8196 break;
8197
8198 case ARG_REVERSE:
8199 arg_dependency = DEPENDENCY_REVERSE;
8200 break;
8201
8202 case ARG_AFTER:
8203 arg_dependency = DEPENDENCY_AFTER;
8204 arg_jobs_after = true;
8205 break;
8206
8207 case ARG_BEFORE:
8208 arg_dependency = DEPENDENCY_BEFORE;
8209 arg_jobs_before = true;
8210 break;
8211
8212 case ARG_SHOW_TYPES:
8213 arg_show_types = true;
8214 break;
8215
8216 case ARG_VALUE:
8217 arg_value = true;
8218 break;
8219
8220 case ARG_JOB_MODE:
8221 arg_job_mode = optarg;
8222 break;
8223
8224 case ARG_FAIL:
8225 arg_job_mode = "fail";
8226 break;
8227
8228 case ARG_IRREVERSIBLE:
8229 arg_job_mode = "replace-irreversibly";
8230 break;
8231
8232 case ARG_IGNORE_DEPENDENCIES:
8233 arg_job_mode = "ignore-dependencies";
8234 break;
8235
8236 case ARG_USER:
8237 arg_scope = UNIT_FILE_USER;
8238 break;
8239
8240 case ARG_SYSTEM:
8241 arg_scope = UNIT_FILE_SYSTEM;
8242 break;
8243
8244 case ARG_GLOBAL:
8245 arg_scope = UNIT_FILE_GLOBAL;
8246 break;
8247
8248 case ARG_WAIT:
8249 arg_wait = true;
8250 break;
8251
8252 case ARG_NO_BLOCK:
8253 arg_no_block = true;
8254 break;
8255
8256 case ARG_NO_LEGEND:
8257 arg_no_legend = true;
8258 break;
8259
8260 case ARG_NO_PAGER:
8261 arg_pager_flags |= PAGER_DISABLE;
8262 break;
8263
8264 case ARG_NO_WALL:
8265 arg_no_wall = true;
8266 break;
8267
8268 case ARG_ROOT:
8269 r = parse_path_argument_and_warn(optarg, false, &arg_root);
8270 if (r < 0)
8271 return r;
8272 break;
8273
8274 case 'l':
8275 arg_full = true;
8276 break;
8277
8278 case ARG_FAILED:
8279 if (strv_extend(&arg_states, "failed") < 0)
8280 return log_oom();
8281
8282 break;
8283
8284 case ARG_DRY_RUN:
8285 arg_dry_run = true;
8286 break;
8287
8288 case 'q':
8289 arg_quiet = true;
8290 break;
8291
8292 case 'f':
8293 arg_force++;
8294 break;
8295
8296 case ARG_NO_RELOAD:
8297 arg_no_reload = true;
8298 break;
8299
8300 case ARG_KILL_WHO:
8301 arg_kill_who = optarg;
8302 break;
8303
8304 case 's':
8305 if (streq(optarg, "help")) {
8306 DUMP_STRING_TABLE(signal, int, _NSIG);
8307 return 0;
8308 }
8309
8310 arg_signal = signal_from_string(optarg);
8311 if (arg_signal < 0)
8312 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8313 "Failed to parse signal string %s.",
8314 optarg);
8315 break;
8316
8317 case ARG_NO_ASK_PASSWORD:
8318 arg_ask_password = false;
8319 break;
8320
8321 case 'H':
8322 arg_transport = BUS_TRANSPORT_REMOTE;
8323 arg_host = optarg;
8324 break;
8325
8326 case 'M':
8327 arg_transport = BUS_TRANSPORT_MACHINE;
8328 arg_host = optarg;
8329 break;
8330
8331 case ARG_RUNTIME:
8332 arg_runtime = true;
8333 break;
8334
8335 case 'n':
8336 if (safe_atou(optarg, &arg_lines) < 0)
8337 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8338 "Failed to parse lines '%s'",
8339 optarg);
8340 break;
8341
8342 case 'o':
8343 if (streq(optarg, "help")) {
8344 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
8345 return 0;
8346 }
8347
8348 arg_output = output_mode_from_string(optarg);
8349 if (arg_output < 0)
8350 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8351 "Unknown output '%s'.",
8352 optarg);
8353 break;
8354
8355 case 'i':
8356 arg_ignore_inhibitors = true;
8357 break;
8358
8359 case ARG_PLAIN:
8360 arg_plain = true;
8361 break;
8362
8363 case ARG_FIRMWARE_SETUP:
8364 arg_firmware_setup = true;
8365 break;
8366
8367 case ARG_BOOT_LOADER_MENU:
8368
8369 r = parse_sec(optarg, &arg_boot_loader_menu);
8370 if (r < 0)
8371 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
8372
8373 break;
8374
8375 case ARG_BOOT_LOADER_ENTRY:
8376
8377 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
8378 r = help_boot_loader_entry();
8379 if (r < 0)
8380 return r;
8381
8382 return 0;
8383 }
8384
8385 arg_boot_loader_entry = empty_to_null(optarg);
8386 break;
8387
8388 case ARG_STATE: {
8389 const char *p;
8390
8391 if (isempty(optarg))
8392 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8393 "--state= requires arguments.");
8394
8395 for (p = optarg;;) {
8396 _cleanup_free_ char *s = NULL;
8397
8398 r = extract_first_word(&p, &s, ",", 0);
8399 if (r < 0)
8400 return log_error_errno(r, "Failed to parse state: %s", optarg);
8401 if (r == 0)
8402 break;
8403
8404 if (streq(s, "help")) {
8405 help_states();
8406 return 0;
8407 }
8408
8409 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
8410 return log_oom();
8411 }
8412 break;
8413 }
8414
8415 case 'r':
8416 if (geteuid() != 0)
8417 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
8418 "--recursive requires root privileges.");
8419
8420 arg_recursive = true;
8421 break;
8422
8423 case ARG_PRESET_MODE:
8424 if (streq(optarg, "help")) {
8425 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
8426 return 0;
8427 }
8428
8429 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
8430 if (arg_preset_mode < 0)
8431 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8432 "Failed to parse preset mode: %s.", optarg);
8433
8434 break;
8435
8436 case ARG_NOW:
8437 arg_now = true;
8438 break;
8439
8440 case ARG_MESSAGE:
8441 if (strv_extend(&arg_wall, optarg) < 0)
8442 return log_oom();
8443 break;
8444
8445 case 'T':
8446 arg_show_transaction = true;
8447 break;
8448
8449 case ARG_WHAT: {
8450 const char *p;
8451
8452 if (isempty(optarg))
8453 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
8454
8455 for (p = optarg;;) {
8456 _cleanup_free_ char *k = NULL;
8457
8458 r = extract_first_word(&p, &k, ",", 0);
8459 if (r < 0)
8460 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
8461 if (r == 0)
8462 break;
8463
8464 if (streq(k, "help")) {
8465 puts("runtime\n"
8466 "state\n"
8467 "cache\n"
8468 "logs\n"
8469 "configuration");
8470 return 0;
8471 }
8472
8473 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
8474 if (r < 0)
8475 return log_oom();
8476 }
8477
8478 break;
8479 }
8480
8481 case '.':
8482 /* Output an error mimicking getopt, and print a hint afterwards */
8483 log_error("%s: invalid option -- '.'", program_invocation_name);
8484 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
8485 " %s [OPTIONS...] {COMMAND} -- -.%s ...",
8486 program_invocation_name, optarg ?: "mount");
8487 _fallthrough_;
8488
8489 case '?':
8490 return -EINVAL;
8491
8492 default:
8493 assert_not_reached("Unhandled option");
8494 }
8495
8496 if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM)
8497 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8498 "Cannot access user instance remotely.");
8499
8500 if (arg_wait && arg_no_block)
8501 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8502 "--wait may not be combined with --no-block.");
8503
8504 return 1;
8505 }
8506
8507 static int halt_parse_argv(int argc, char *argv[]) {
8508 enum {
8509 ARG_HELP = 0x100,
8510 ARG_HALT,
8511 ARG_REBOOT,
8512 ARG_NO_WALL
8513 };
8514
8515 static const struct option options[] = {
8516 { "help", no_argument, NULL, ARG_HELP },
8517 { "halt", no_argument, NULL, ARG_HALT },
8518 { "poweroff", no_argument, NULL, 'p' },
8519 { "reboot", no_argument, NULL, ARG_REBOOT },
8520 { "force", no_argument, NULL, 'f' },
8521 { "wtmp-only", no_argument, NULL, 'w' },
8522 { "no-wtmp", no_argument, NULL, 'd' },
8523 { "no-sync", no_argument, NULL, 'n' },
8524 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8525 {}
8526 };
8527
8528 int c, r, runlevel;
8529
8530 assert(argc >= 0);
8531 assert(argv);
8532
8533 if (utmp_get_runlevel(&runlevel, NULL) >= 0)
8534 if (IN_SET(runlevel, '0', '6'))
8535 arg_force = 2;
8536
8537 while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0)
8538 switch (c) {
8539
8540 case ARG_HELP:
8541 return halt_help();
8542
8543 case ARG_HALT:
8544 arg_action = ACTION_HALT;
8545 break;
8546
8547 case 'p':
8548 if (arg_action != ACTION_REBOOT)
8549 arg_action = ACTION_POWEROFF;
8550 break;
8551
8552 case ARG_REBOOT:
8553 arg_action = ACTION_REBOOT;
8554 break;
8555
8556 case 'f':
8557 arg_force = 2;
8558 break;
8559
8560 case 'w':
8561 arg_dry_run = true;
8562 break;
8563
8564 case 'd':
8565 arg_no_wtmp = true;
8566 break;
8567
8568 case 'n':
8569 arg_no_sync = true;
8570 break;
8571
8572 case ARG_NO_WALL:
8573 arg_no_wall = true;
8574 break;
8575
8576 case 'i':
8577 case 'h':
8578 /* Compatibility nops */
8579 break;
8580
8581 case '?':
8582 return -EINVAL;
8583
8584 default:
8585 assert_not_reached("Unhandled option");
8586 }
8587
8588 if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) {
8589 r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false);
8590 if (r < 0)
8591 return r;
8592 } else if (optind < argc)
8593 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8594 "Too many arguments.");
8595
8596 return 1;
8597 }
8598
8599 static int shutdown_parse_argv(int argc, char *argv[]) {
8600 enum {
8601 ARG_HELP = 0x100,
8602 ARG_NO_WALL
8603 };
8604
8605 static const struct option options[] = {
8606 { "help", no_argument, NULL, ARG_HELP },
8607 { "halt", no_argument, NULL, 'H' },
8608 { "poweroff", no_argument, NULL, 'P' },
8609 { "reboot", no_argument, NULL, 'r' },
8610 { "kexec", no_argument, NULL, 'K' }, /* not documented extension */
8611 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8612 {}
8613 };
8614
8615 char **wall = NULL;
8616 int c, r;
8617
8618 assert(argc >= 0);
8619 assert(argv);
8620
8621 while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0)
8622 switch (c) {
8623
8624 case ARG_HELP:
8625 return shutdown_help();
8626
8627 case 'H':
8628 arg_action = ACTION_HALT;
8629 break;
8630
8631 case 'P':
8632 arg_action = ACTION_POWEROFF;
8633 break;
8634
8635 case 'r':
8636 if (kexec_loaded())
8637 arg_action = ACTION_KEXEC;
8638 else
8639 arg_action = ACTION_REBOOT;
8640 break;
8641
8642 case 'K':
8643 arg_action = ACTION_KEXEC;
8644 break;
8645
8646 case 'h':
8647 if (arg_action != ACTION_HALT)
8648 arg_action = ACTION_POWEROFF;
8649 break;
8650
8651 case 'k':
8652 arg_dry_run = true;
8653 break;
8654
8655 case ARG_NO_WALL:
8656 arg_no_wall = true;
8657 break;
8658
8659 case 'a':
8660 case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */
8661 case 'f':
8662 case 'F':
8663 /* Compatibility nops */
8664 break;
8665
8666 case 'c':
8667 arg_action = ACTION_CANCEL_SHUTDOWN;
8668 break;
8669
8670 case '?':
8671 return -EINVAL;
8672
8673 default:
8674 assert_not_reached("Unhandled option");
8675 }
8676
8677 if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) {
8678 r = parse_shutdown_time_spec(argv[optind], &arg_when);
8679 if (r < 0) {
8680 log_error("Failed to parse time specification: %s", argv[optind]);
8681 return r;
8682 }
8683 } else
8684 arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
8685
8686 if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN)
8687 /* No time argument for shutdown cancel */
8688 wall = argv + optind;
8689 else if (argc > optind + 1)
8690 /* We skip the time argument */
8691 wall = argv + optind + 1;
8692
8693 if (wall) {
8694 arg_wall = strv_copy(wall);
8695 if (!arg_wall)
8696 return log_oom();
8697 }
8698
8699 optind = argc;
8700
8701 return 1;
8702 }
8703
8704 static int telinit_parse_argv(int argc, char *argv[]) {
8705 enum {
8706 ARG_HELP = 0x100,
8707 ARG_NO_WALL
8708 };
8709
8710 static const struct option options[] = {
8711 { "help", no_argument, NULL, ARG_HELP },
8712 { "no-wall", no_argument, NULL, ARG_NO_WALL },
8713 {}
8714 };
8715
8716 static const struct {
8717 char from;
8718 enum action to;
8719 } table[] = {
8720 { '0', ACTION_POWEROFF },
8721 { '6', ACTION_REBOOT },
8722 { '1', ACTION_RESCUE },
8723 { '2', ACTION_RUNLEVEL2 },
8724 { '3', ACTION_RUNLEVEL3 },
8725 { '4', ACTION_RUNLEVEL4 },
8726 { '5', ACTION_RUNLEVEL5 },
8727 { 's', ACTION_RESCUE },
8728 { 'S', ACTION_RESCUE },
8729 { 'q', ACTION_RELOAD },
8730 { 'Q', ACTION_RELOAD },
8731 { 'u', ACTION_REEXEC },
8732 { 'U', ACTION_REEXEC }
8733 };
8734
8735 unsigned i;
8736 int c;
8737
8738 assert(argc >= 0);
8739 assert(argv);
8740
8741 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8742 switch (c) {
8743
8744 case ARG_HELP:
8745 return telinit_help();
8746
8747 case ARG_NO_WALL:
8748 arg_no_wall = true;
8749 break;
8750
8751 case '?':
8752 return -EINVAL;
8753
8754 default:
8755 assert_not_reached("Unhandled option");
8756 }
8757
8758 if (optind >= argc)
8759 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8760 "%s: required argument missing.",
8761 program_invocation_short_name);
8762
8763 if (optind + 1 < argc)
8764 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8765 "Too many arguments.");
8766
8767 if (strlen(argv[optind]) != 1)
8768 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8769 "Expected single character argument.");
8770
8771 for (i = 0; i < ELEMENTSOF(table); i++)
8772 if (table[i].from == argv[optind][0])
8773 break;
8774
8775 if (i >= ELEMENTSOF(table))
8776 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8777 "Unknown command '%s'.", argv[optind]);
8778
8779 arg_action = table[i].to;
8780
8781 optind++;
8782
8783 return 1;
8784 }
8785
8786 static int runlevel_parse_argv(int argc, char *argv[]) {
8787 enum {
8788 ARG_HELP = 0x100,
8789 };
8790
8791 static const struct option options[] = {
8792 { "help", no_argument, NULL, ARG_HELP },
8793 {}
8794 };
8795
8796 int c;
8797
8798 assert(argc >= 0);
8799 assert(argv);
8800
8801 while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
8802 switch (c) {
8803
8804 case ARG_HELP:
8805 return runlevel_help();
8806
8807 case '?':
8808 return -EINVAL;
8809
8810 default:
8811 assert_not_reached("Unhandled option");
8812 }
8813
8814 if (optind < argc)
8815 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
8816 "Too many arguments.");
8817
8818 return 1;
8819 }
8820
8821 static int parse_argv(int argc, char *argv[]) {
8822 assert(argc >= 0);
8823 assert(argv);
8824
8825 if (program_invocation_short_name) {
8826
8827 if (strstr(program_invocation_short_name, "halt")) {
8828 arg_action = ACTION_HALT;
8829 return halt_parse_argv(argc, argv);
8830
8831 } else if (strstr(program_invocation_short_name, "poweroff")) {
8832 arg_action = ACTION_POWEROFF;
8833 return halt_parse_argv(argc, argv);
8834
8835 } else if (strstr(program_invocation_short_name, "reboot")) {
8836 if (kexec_loaded())
8837 arg_action = ACTION_KEXEC;
8838 else
8839 arg_action = ACTION_REBOOT;
8840 return halt_parse_argv(argc, argv);
8841
8842 } else if (strstr(program_invocation_short_name, "shutdown")) {
8843 arg_action = ACTION_POWEROFF;
8844 return shutdown_parse_argv(argc, argv);
8845
8846 } else if (strstr(program_invocation_short_name, "init")) {
8847
8848 /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID !=
8849 * 1 on SysV.
8850 *
8851 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
8852 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
8853 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for
8854 * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with
8855 * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In
8856 * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a
8857 * quick way to match both.
8858 *
8859 * Also see redirect_telinit() in src/core/main.c. */
8860
8861 if (sd_booted() > 0) {
8862 arg_action = _ACTION_INVALID;
8863 return telinit_parse_argv(argc, argv);
8864 } else {
8865 /* Hmm, so some other init system is running, we need to forward this request to
8866 * it. For now we simply guess that it is Upstart. */
8867
8868 (void) rlimit_nofile_safe();
8869 execv(TELINIT, argv);
8870
8871 return log_error_errno(SYNTHETIC_ERRNO(EIO),
8872 "Couldn't find an alternative telinit implementation to spawn.");
8873 }
8874
8875 } else if (strstr(program_invocation_short_name, "runlevel")) {
8876 arg_action = ACTION_RUNLEVEL;
8877 return runlevel_parse_argv(argc, argv);
8878 }
8879 }
8880
8881 arg_action = ACTION_SYSTEMCTL;
8882 return systemctl_parse_argv(argc, argv);
8883 }
8884
8885 #if HAVE_SYSV_COMPAT
8886 _pure_ static int action_to_runlevel(void) {
8887 static const char table[_ACTION_MAX] = {
8888 [ACTION_HALT] = '0',
8889 [ACTION_POWEROFF] = '0',
8890 [ACTION_REBOOT] = '6',
8891 [ACTION_RUNLEVEL2] = '2',
8892 [ACTION_RUNLEVEL3] = '3',
8893 [ACTION_RUNLEVEL4] = '4',
8894 [ACTION_RUNLEVEL5] = '5',
8895 [ACTION_RESCUE] = '1'
8896 };
8897
8898 assert(arg_action >= 0 && arg_action < _ACTION_MAX);
8899 return table[arg_action];
8900 }
8901 #endif
8902
8903 static int systemctl_main(int argc, char *argv[]) {
8904 static const Verb verbs[] = {
8905 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units },
8906 { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files },
8907 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets },
8908 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers },
8909 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs },
8910 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines },
8911 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method },
8912 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job },
8913 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8914 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8915 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8916 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8917 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8918 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8919 { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8920 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */
8921 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit },
8922 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */
8923 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */
8924 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */
8925 { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit },
8926 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit },
8927 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_unit },
8928 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active },
8929 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */
8930 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed },
8931 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8932 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat },
8933 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8934 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show },
8935 { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8936 { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload },
8937 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment },
8938 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8939 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment },
8940 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment },
8941 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8942 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8943 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special },
8944 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8945 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8946 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8947 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8948 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8949 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special },
8950 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8951 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special },
8952 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special },
8953 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed },
8954 { "enable", 2, VERB_ANY, 0, enable_unit },
8955 { "disable", 2, VERB_ANY, 0, enable_unit },
8956 { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled },
8957 { "reenable", 2, VERB_ANY, 0, enable_unit },
8958 { "preset", 2, VERB_ANY, 0, enable_unit },
8959 { "preset-all", VERB_ANY, 1, 0, preset_all },
8960 { "mask", 2, VERB_ANY, 0, enable_unit },
8961 { "unmask", 2, VERB_ANY, 0, enable_unit },
8962 { "link", 2, VERB_ANY, 0, enable_unit },
8963 { "revert", 2, VERB_ANY, 0, enable_unit },
8964 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root },
8965 { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies },
8966 { "set-default", 2, 2, 0, set_default },
8967 { "get-default", VERB_ANY, 1, 0, get_default },
8968 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property },
8969 { "is-system-running", VERB_ANY, 1, 0, is_system_running },
8970 { "add-wants", 3, VERB_ANY, 0, add_dependency },
8971 { "add-requires", 3, VERB_ANY, 0, add_dependency },
8972 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit },
8973 {}
8974 };
8975
8976 return dispatch_verb(argc, argv, verbs, NULL);
8977 }
8978
8979 static int reload_with_fallback(void) {
8980 /* First, try systemd via D-Bus. */
8981 if (daemon_reload(0, NULL, NULL) >= 0)
8982 return 0;
8983
8984 /* Nothing else worked, so let's try signals */
8985 assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC));
8986
8987 if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0)
8988 return log_error_errno(errno, "kill() failed: %m");
8989
8990 return 0;
8991 }
8992
8993 static int start_with_fallback(void) {
8994 /* First, try systemd via D-Bus. */
8995 if (start_unit(0, NULL, NULL) == 0)
8996 return 0;
8997
8998 #if HAVE_SYSV_COMPAT
8999 /* Nothing else worked, so let's try /dev/initctl */
9000 if (talk_initctl(action_to_runlevel()) > 0)
9001 return 0;
9002 #endif
9003
9004 return log_error_errno(SYNTHETIC_ERRNO(EIO),
9005 "Failed to talk to init daemon.");
9006 }
9007
9008 static int halt_now(enum action a) {
9009 /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be
9010 * synced explicitly in advance. */
9011 if (!arg_no_sync && !arg_dry_run)
9012 (void) sync();
9013
9014 /* Make sure C-A-D is handled by the kernel from this point on... */
9015 if (!arg_dry_run)
9016 (void) reboot(RB_ENABLE_CAD);
9017
9018 switch (a) {
9019
9020 case ACTION_HALT:
9021 if (!arg_quiet)
9022 log_info("Halting.");
9023 if (arg_dry_run)
9024 return 0;
9025 (void) reboot(RB_HALT_SYSTEM);
9026 return -errno;
9027
9028 case ACTION_POWEROFF:
9029 if (!arg_quiet)
9030 log_info("Powering off.");
9031 if (arg_dry_run)
9032 return 0;
9033 (void) reboot(RB_POWER_OFF);
9034 return -errno;
9035
9036 case ACTION_KEXEC:
9037 case ACTION_REBOOT:
9038 return reboot_with_parameter(REBOOT_FALLBACK |
9039 (arg_quiet ? 0 : REBOOT_LOG) |
9040 (arg_dry_run ? REBOOT_DRY_RUN : 0));
9041
9042 default:
9043 assert_not_reached("Unknown action.");
9044 }
9045 }
9046
9047 static int logind_schedule_shutdown(void) {
9048
9049 #if ENABLE_LOGIND
9050 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9051 char date[FORMAT_TIMESTAMP_MAX];
9052 const char *action;
9053 sd_bus *bus;
9054 int r;
9055
9056 r = acquire_bus(BUS_FULL, &bus);
9057 if (r < 0)
9058 return r;
9059
9060 switch (arg_action) {
9061 case ACTION_HALT:
9062 action = "halt";
9063 break;
9064 case ACTION_POWEROFF:
9065 action = "poweroff";
9066 break;
9067 case ACTION_KEXEC:
9068 action = "kexec";
9069 break;
9070 case ACTION_EXIT:
9071 action = "exit";
9072 break;
9073 case ACTION_REBOOT:
9074 default:
9075 action = "reboot";
9076 break;
9077 }
9078
9079 if (arg_dry_run)
9080 action = strjoina("dry-", action);
9081
9082 (void) logind_set_wall_message();
9083
9084 r = sd_bus_call_method(
9085 bus,
9086 "org.freedesktop.login1",
9087 "/org/freedesktop/login1",
9088 "org.freedesktop.login1.Manager",
9089 "ScheduleShutdown",
9090 &error,
9091 NULL,
9092 "st",
9093 action,
9094 arg_when);
9095 if (r < 0)
9096 return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r));
9097
9098 if (!arg_quiet)
9099 log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when));
9100 return 0;
9101 #else
9102 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9103 "Cannot schedule shutdown without logind support, proceeding with immediate shutdown.");
9104 #endif
9105 }
9106
9107 static int halt_main(void) {
9108 int r;
9109
9110 r = logind_check_inhibitors(arg_action);
9111 if (r < 0)
9112 return r;
9113
9114 /* Delayed shutdown requested, and was successful */
9115 if (arg_when > 0 && logind_schedule_shutdown() == 0)
9116 return 0;
9117 /* no delay, or logind failed or is not at all available */
9118
9119 if (geteuid() != 0) {
9120 if (arg_dry_run || arg_force > 0) {
9121 (void) must_be_root();
9122 return -EPERM;
9123 }
9124
9125 /* Try logind if we are a normal user and no special
9126 * mode applies. Maybe polkit allows us to shutdown
9127 * the machine. */
9128 if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) {
9129 r = logind_reboot(arg_action);
9130 if (r >= 0)
9131 return r;
9132 if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS))
9133 /* requested operation is not
9134 * supported on the local system or
9135 * already in progress */
9136 return r;
9137 /* on all other errors, try low-level operation */
9138 }
9139 }
9140
9141 /* In order to minimize the difference between operation with and
9142 * without logind, we explicitly enable non-blocking mode for this,
9143 * as logind's shutdown operations are always non-blocking. */
9144 arg_no_block = true;
9145
9146 if (!arg_dry_run && !arg_force)
9147 return start_with_fallback();
9148
9149 assert(geteuid() == 0);
9150
9151 if (!arg_no_wtmp) {
9152 if (sd_booted() > 0)
9153 log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
9154 else {
9155 r = utmp_put_shutdown();
9156 if (r < 0)
9157 log_warning_errno(r, "Failed to write utmp record: %m");
9158 }
9159 }
9160
9161 if (arg_dry_run)
9162 return 0;
9163
9164 r = halt_now(arg_action);
9165 return log_error_errno(r, "Failed to reboot: %m");
9166 }
9167
9168 static int runlevel_main(void) {
9169 int r, runlevel, previous;
9170
9171 r = utmp_get_runlevel(&runlevel, &previous);
9172 if (r < 0) {
9173 puts("unknown");
9174 return r;
9175 }
9176
9177 printf("%c %c\n",
9178 previous <= 0 ? 'N' : previous,
9179 runlevel <= 0 ? 'N' : runlevel);
9180
9181 return 0;
9182 }
9183
9184 static int logind_cancel_shutdown(void) {
9185 #if ENABLE_LOGIND
9186 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
9187 sd_bus *bus;
9188 int r;
9189
9190 r = acquire_bus(BUS_FULL, &bus);
9191 if (r < 0)
9192 return r;
9193
9194 (void) logind_set_wall_message();
9195
9196 r = sd_bus_call_method(
9197 bus,
9198 "org.freedesktop.login1",
9199 "/org/freedesktop/login1",
9200 "org.freedesktop.login1.Manager",
9201 "CancelScheduledShutdown",
9202 &error,
9203 NULL, NULL);
9204 if (r < 0)
9205 return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r));
9206
9207 return 0;
9208 #else
9209 return log_error_errno(SYNTHETIC_ERRNO(ENOSYS),
9210 "Not compiled with logind support, cannot cancel scheduled shutdowns.");
9211 #endif
9212 }
9213
9214 static int run(int argc, char *argv[]) {
9215 int r;
9216
9217 setlocale(LC_ALL, "");
9218 log_parse_environment();
9219 log_open();
9220
9221 /* The journal merging logic potentially needs a lot of fds. */
9222 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
9223
9224 sigbus_install();
9225
9226 /* Explicitly not on_tty() to avoid setting cached value.
9227 * This becomes relevant for piping output which might be
9228 * ellipsized. */
9229 original_stdout_is_tty = isatty(STDOUT_FILENO);
9230
9231 r = parse_argv(argc, argv);
9232 if (r <= 0)
9233 goto finish;
9234
9235 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
9236 if (!arg_quiet)
9237 log_info("Running in chroot, ignoring request.");
9238 r = 0;
9239 goto finish;
9240 }
9241
9242 /* systemctl_main() will print an error message for the bus
9243 * connection, but only if it needs to */
9244
9245 switch (arg_action) {
9246
9247 case ACTION_SYSTEMCTL:
9248 r = systemctl_main(argc, argv);
9249 break;
9250
9251 /* Legacy command aliases set arg_action. They provide some fallbacks,
9252 * e.g. to tell sysvinit to reboot after you have installed systemd
9253 * binaries. */
9254
9255 case ACTION_HALT:
9256 case ACTION_POWEROFF:
9257 case ACTION_REBOOT:
9258 case ACTION_KEXEC:
9259 r = halt_main();
9260 break;
9261
9262 case ACTION_RUNLEVEL2:
9263 case ACTION_RUNLEVEL3:
9264 case ACTION_RUNLEVEL4:
9265 case ACTION_RUNLEVEL5:
9266 case ACTION_RESCUE:
9267 r = start_with_fallback();
9268 break;
9269
9270 case ACTION_RELOAD:
9271 case ACTION_REEXEC:
9272 r = reload_with_fallback();
9273 break;
9274
9275 case ACTION_CANCEL_SHUTDOWN:
9276 r = logind_cancel_shutdown();
9277 break;
9278
9279 case ACTION_RUNLEVEL:
9280 r = runlevel_main();
9281 break;
9282
9283 case ACTION_EXIT:
9284 case ACTION_SUSPEND:
9285 case ACTION_HIBERNATE:
9286 case ACTION_HYBRID_SLEEP:
9287 case ACTION_SUSPEND_THEN_HIBERNATE:
9288 case ACTION_EMERGENCY:
9289 case ACTION_DEFAULT:
9290 /* systemctl verbs with no equivalent in the legacy commands.
9291 * These cannot appear in arg_action. Fall through. */
9292
9293 case _ACTION_INVALID:
9294 default:
9295 assert_not_reached("Unknown action");
9296 }
9297
9298 finish:
9299 release_busses();
9300
9301 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
9302 return r;
9303 }
9304
9305 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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